202101111202102 has 64 divisors (see below), whose sum is σ = 362834266752000. Its totient is φ = 82548824472576.

The previous prime is 202101111202027. The next prime is 202101111202103. The reversal of 202101111202102 is 201202111101202.

It is a super-2 number, since 2×202101111202102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101111202103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98119038 + ... + 100157614.

It is an arithmetic number, because the mean of its divisors is an integer number (5669285418000).

Almost surely, 2^{202101111202102} is an apocalyptic number.

202101111202102 is a deficient number, since it is larger than the sum of its proper divisors (160733155549898).

202101111202102 is a wasteful number, since it uses less digits than its factorization.

202101111202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039725.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202101111202102 its reverse (201202111101202), we get a palindrome (403303222303304).

The spelling of 202101111202102 in words is "two hundred two trillion, one hundred one billion, one hundred eleven million, two hundred two thousand, one hundred two".