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101021122011011 = 128125778845323
BaseRepresentation
bin10110111110000011010000…
…000101111001111110000011
3111020200112011200112021202212
4112332003100011321332003
5101220112224213323021
6554504243543132335
730164351402054306
oct2676032005717603
9436615150467685
10101021122011011
112a2088a983a614
12b3b66a14440ab
13444a3353a5947
141ad363c56cb3d
15ba2bd053485b
hex5be0d0179f83

101021122011011 has 4 divisors (see below), whose sum is σ = 101021202137592. Its totient is φ = 101021041884432.

The previous prime is 101021122010993. The next prime is 101021122011067. The reversal of 101021122011011 is 110110221120101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101021122011011 - 210 = 101021122009987 is a prime.

It is a super-2 number, since 2×1010211220110112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021122001011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38141405 + ... + 40703918.

It is an arithmetic number, because the mean of its divisors is an integer number (25255300534398).

Almost surely, 2101021122011011 is an apocalyptic number.

101021122011011 is a deficient number, since it is larger than the sum of its proper divisors (80126581).

101021122011011 is an equidigital number, since it uses as much as digits as its factorization.

101021122011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80126580.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101021122011011 its reverse (110110221120101), we get a palindrome (211131343131112).

The spelling of 101021122011011 in words is "one hundred one trillion, twenty-one billion, one hundred twenty-two million, eleven thousand, eleven".

Divisors: 1 1281257 78845323 101021122011011