202101122102 has 16 divisors (see below), whose sum is σ = 330719073552. Its totient is φ = 91861883520.

The previous prime is 202101122081. The next prime is 202101122123. The reversal of 202101122102 is 201221101202.

It is an interprime number because it is at equal distance from previous prime (202101122081) and next prime (202101122123).

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, 1079738 + ... + 1253010.

It is an arithmetic number, because the mean of its divisors is an integer number (20669942097).

Almost surely, 2^202101122102 is an apocalyptic number.

202101122102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202101122102 is a deficient number, since it is larger than the sum of its proper divisors (128617951450).

202101122102 is a wasteful number, since it uses less digits than its factorization.

202101122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226303.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202101122102 its reverse (201221101202), we get a palindrome (403322223304).

The spelling of 202101122102 in words is "two hundred two billion, one hundred one million, one hundred twenty-two thousand, one hundred two".