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2101010220111 = 3111937711275559
BaseRepresentation
bin11110100100101101111…
…101111100010001001111
321102212002000101200200110
4132210231331330101033
5233410332104020421
64245105112331103
7304535664131505
oct36445575742117
97385060350613
102101010220111
11740040550240
1229b2340a3a93
1312318044ba9a
1473991b5c675
15399bac66a76
hex1e92df7c44f

2101010220111 has 64 divisors (see below), whose sum is σ = 3350334873600. Its totient is φ = 1157186217600.

The previous prime is 2101010220107. The next prime is 2101010220119. The reversal of 2101010220111 is 1110220101012.

It is not a de Polignac number, because 2101010220111 - 22 = 2101010220107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101010220119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1009350 + ... + 2284908.

It is an arithmetic number, because the mean of its divisors is an integer number (52348982400).

Almost surely, 22101010220111 is an apocalyptic number.

2101010220111 is a deficient number, since it is larger than the sum of its proper divisors (1249324653489).

2101010220111 is a wasteful number, since it uses less digits than its factorization.

2101010220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275700.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101010220111 its reverse (1110220101012), we get a palindrome (3211230321123).

The spelling of 2101010220111 in words is "two trillion, one hundred one billion, ten million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 3 11 19 33 37 57 71 111 209 213 407 627 703 781 1221 1349 2109 2343 2627 4047 7733 7881 14839 23199 28897 44517 49913 86691 149739 549043 1275559 1647129 3826677 14031149 24235621 42093447 47195683 72706863 90564689 141587049 266591831 271694067 519152513 799775493 896717977 996211579 1557457539 1720729091 2690153931 2988634737 3350893493 5162187273 9863897747 10052680479 18928020001 29591693241 36859828423 56784060003 63666976367 110579485269 191000929101 700336740037 2101010220111