202102213110102 has 20 divisors (see below), whose sum is σ = 452858662710036. Its totient is φ = 67367404369980.

The previous prime is 202102213110073. The next prime is 202102213110131. The reversal of 202102213110102 is 201011312201202.

202102213110102 is a `hidden beast` number, since 20 + 2 + 10 + 221 + 311 + 0 + 102 = 666.

It is an interprime number because it is at equal distance from previous prime (202102213110073) and next prime (202102213110131).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 623772262524 + ... + 623772262847.

Almost surely, 2^{202102213110102} is an apocalyptic number.

202102213110102 is an abundant number, since it is smaller than the sum of its proper divisors (250756449599934).

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

202102213110102 is a wasteful number, since it uses less digits than its factorization.

202102213110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247544525385 (or 1247544525376 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 202102213110102 its reverse (201011312201202), we get a palindrome (403113525311304).

The spelling of 202102213110102 in words is "two hundred two trillion, one hundred two billion, two hundred thirteen million, one hundred ten thousand, one hundred two".