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102022221111 = 31311632576197
BaseRepresentation
bin101111100000011111…
…1111000110100110111
3100202100002210211002220
41133000333320310313
53132420142033421
6114511322133423
710241130366606
oct1370077706467
9322302724086
10102022221111
113a2a397a818
1217933051273
13980b767195
144d1b861a3d
1529c1a3b3c6
hex17c0ff8d37

102022221111 has 32 divisors (see below), whose sum is σ = 138467881728. Its totient is φ = 66809733120.

The previous prime is 102022221107. The next prime is 102022221113. The reversal of 102022221111 is 111122220201.

It is not a de Polignac number, because 102022221111 - 22 = 102022221107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16460065 + ... + 16466261.

It is an arithmetic number, because the mean of its divisors is an integer number (4327121304).

Almost surely, 2102022221111 is an apocalyptic number.

102022221111 is a deficient number, since it is larger than the sum of its proper divisors (36445660617).

102022221111 is a wasteful number, since it uses less digits than its factorization.

102022221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102022221111 its reverse (111122220201), we get a palindrome (213144441312).

The spelling of 102022221111 in words is "one hundred two billion, twenty-two million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 3 131 163 257 393 489 771 6197 18591 21353 33667 41891 64059 101001 125673 811807 1010111 1592629 2435421 3030333 4777887 5487721 16463163 132324541 208634399 259598527 396973623 625903197 778795581 34007407037 102022221111