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102210201111 = 3192517918223
BaseRepresentation
bin101111100110000110…
…0111110011000010111
3100202211012112012012010
41133030030332120113
53133311302413421
6114542115155303
710245602242344
oct1371414763027
9322735465163
10102210201111
113a38aaa2997
1217985ba5b33
13983b6a3355
144d387d57cb
1529d32be076
hex17cc33e617

102210201111 has 24 divisors (see below), whose sum is σ = 143866087680. Its totient is φ = 64537804944.

The previous prime is 102210201083. The next prime is 102210201127. The reversal of 102210201111 is 111102012201.

It is not a de Polignac number, because 102210201111 - 215 = 102210168343 is a prime.

It is a super-2 number, since 2×1022102011112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210201131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5599746 + ... + 5617968.

It is an arithmetic number, because the mean of its divisors is an integer number (5994420320).

Almost surely, 2102210201111 is an apocalyptic number.

102210201111 is a deficient number, since it is larger than the sum of its proper divisors (41655886569).

102210201111 is a wasteful number, since it uses less digits than its factorization.

102210201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23443 (or 23424 counting only the distinct ones).

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

Adding to 102210201111 its reverse (111102012201), we get a palindrome (213312213312).

The spelling of 102210201111 in words is "one hundred two billion, two hundred ten million, two hundred one thousand, one hundred eleven".

Divisors: 1 3 19 57 361 1083 5179 15537 18223 54669 98401 295203 346237 1038711 1869619 5608857 6578503 19735509 94376917 283130751 1793161423 5379484269 34070067037 102210201111