102111101222202 has 48 divisors (see below), whose sum is σ = 228872647846440. Its totient is φ = 32862921025536.

The previous prime is 102111101222183. The next prime is 102111101222213. The reversal of 102111101222202 is 202222101111201.

102111101222202 is a `hidden beast` number, since 1 + 0 + 211 + 110 + 122 + 220 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 100073433476241 + 2037667745961 = 10003671^2 + 1427469^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40791498 + ... + 43222314.

Almost surely, 2^{102111101222202} is an apocalyptic number.

102111101222202 is an abundant number, since it is smaller than the sum of its proper divisors (126761546624238).

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

102111101222202 is a wasteful number, since it uses less digits than its factorization.

102111101222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511327 (or 2511324 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102111101222202 its reverse (202222101111201), we get a palindrome (304333202333403).

The spelling of 102111101222202 in words is "one hundred two trillion, one hundred eleven billion, one hundred one million, two hundred twenty-two thousand, two hundred two".