202102111112210 has 32 divisors (see below), whose sum is σ = 369075409476480. Its totient is φ = 79673421578112.

The previous prime is 202102111112183. The next prime is 202102111112249. The reversal of 202102111112210 is 12211111201202.

It is a super-2 number, since 2×202102111112210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530456294 + ... + 530837153.

It is an arithmetic number, because the mean of its divisors is an integer number (11533606546140).

Almost surely, 2^{202102111112210} is an apocalyptic number.

202102111112210 is a deficient number, since it is larger than the sum of its proper divisors (166973298364270).

202102111112210 is a wasteful number, since it uses less digits than its factorization.

202102111112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061293730.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202102111112210 its reverse (12211111201202), we get a palindrome (214313222313412).

The spelling of 202102111112210 in words is "two hundred two trillion, one hundred two billion, one hundred eleven million, one hundred twelve thousand, two hundred ten".