202102101122110 has 16 divisors (see below), whose sum is σ = 415752893737056. Its totient is φ = 69292148956128.

The previous prime is 202102101122041. The next prime is 202102101122111. The reversal of 202102101122110 is 11221101201202.

It is a super-2 number, since 2×202102101122110² (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 (202102101122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443586436517 + ... + 1443586436656.

It is an arithmetic number, because the mean of its divisors is an integer number (25984555858566).

Almost surely, 2^{202102101122110} is an apocalyptic number.

202102101122110 is an abundant number, since it is smaller than the sum of its proper divisors (213650792614946).

202102101122110 is a wasteful number, since it uses less digits than its factorization.

202102101122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887172873187.

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

Adding to 202102101122110 its reverse (11221101201202), we get a palindrome (213323202323312).

The spelling of 202102101122110 in words is "two hundred two trillion, one hundred two billion, one hundred one million, one hundred twenty-two thousand, one hundred ten".