202100210121102 has 32 divisors (see below), whose sum is σ = 404604984384000. Its totient is φ = 67299334447488.

The previous prime is 202100210121071. The next prime is 202100210121133. The reversal of 202100210121102 is 201121012001202.

It is an interprime number because it is at equal distance from previous prime (202100210121071) and next prime (202100210121133).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29103649 + ... + 35372627.

It is an arithmetic number, because the mean of its divisors is an integer number (12643905762000).

Almost surely, 2^{202100210121102} is an apocalyptic number.

202100210121102 is an abundant number, since it is smaller than the sum of its proper divisors (202504774262898).

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

202100210121102 is a wasteful number, since it uses less digits than its factorization.

202100210121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274360.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202100210121102 its reverse (201121012001202), we get a palindrome (403221222122304).

The spelling of 202100210121102 in words is "two hundred two trillion, one hundred billion, two hundred ten million, one hundred twenty-one thousand, one hundred two".