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221222210112102 = 2354168152252037
BaseRepresentation
bin110010010011001101001111…
…010000000000101001100110
31002000021122012012001021022010
4302103031033100000221212
5212444001041242041402
62102300025204015050
764411530411023043
oct6223151720005146
91060248165037263
10221222210112102
11645408a33a2421
122098a41a691486
13965921b397484
143c8b2d80021ca
151a8976d8e4a6c
hexc9334f400a66

221222210112102 has 16 divisors (see below), whose sum is σ = 443262247255152. Its totient is φ = 73604432198880.

The previous prime is 221222210112083. The next prime is 221222210112133. The reversal of 221222210112102 is 201211012222122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34076122773 + ... + 34076129264.

It is an arithmetic number, because the mean of its divisors is an integer number (27703890453447).

Almost surely, 2221222210112102 is an apocalyptic number.

221222210112102 is an abundant number, since it is smaller than the sum of its proper divisors (222040037143050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221222210112102 is a wasteful number, since it uses less digits than its factorization.

221222210112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68152252583.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221222210112102 its reverse (201211012222122), we get a palindrome (422433222334224).

The spelling of 221222210112102 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred ten million, one hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 541 1082 1623 3246 68152252037 136304504074 204456756111 408913512222 36870368352017 73740736704034 110611105056051 221222210112102