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101021101211005 = 5316779247749711
BaseRepresentation
bin10110111110000011001110…
…110110100011110101111101
3111020200112010020101112112021
4112332003032312203311331
5101220112203402223010
6554504241521240141
730164351030214013
oct2676031666436575
9436615106345467
10101021101211005
112a208899023228
12b3b6696493051
13444a330ca2351
141ad36398b68b3
15ba2bcd7c68da
hex5be0ceda3d7d

101021101211005 has 64 divisors (see below), whose sum is σ = 128665664225280. Its totient is φ = 76035111609600.

The previous prime is 101021101210987. The next prime is 101021101211021. The reversal of 101021101211005 is 500112101120101.

It is not a de Polignac number, because 101021101211005 - 215 = 101021101178237 is a prime.

It is a super-3 number, since 3×1010211012110053 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 101021101211005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2032143100 + ... + 2032192810.

It is an arithmetic number, because the mean of its divisors is an integer number (2010401003520).

Almost surely, 2101021101211005 is an apocalyptic number.

It is an amenable number.

101021101211005 is a deficient number, since it is larger than the sum of its proper divisors (27644563014275).

101021101211005 is a wasteful number, since it uses less digits than its factorization.

101021101211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52370.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 101021101211005 its reverse (500112101120101), we get a palindrome (601133202331106).

The spelling of 101021101211005 in words is "one hundred one trillion, twenty-one billion, one hundred one million, two hundred eleven thousand, five".

Divisors: 1 5 31 67 79 155 335 395 2077 2449 2477 5293 10385 12245 12385 26465 49711 76787 164083 165959 195683 248555 383935 820415 829795 978415 1541041 3330637 3927169 5144729 6066173 7705205 13110761 16653185 19635845 25723645 30330865 65553805 103249747 121742239 123134147 263120323 406433591 516248735 608711195 615670735 1315601615 2032167955 3817158557 8156730013 8249987849 9727597613 19085792785 40783650065 41249939245 48637988065 255749623319 301555526003 651749040071 1278748116595 1507777630015 3258745200355 20204220242201 101021101211005