202100012102 has 16 divisors (see below), whose sum is σ = 321106300272. Its totient is φ = 95069168640.

The previous prime is 202100012087. The next prime is 202100012111. The reversal of 202100012102 is 201210001202.

It is a happy number.

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, 1058024 + ... + 1234347.

It is an arithmetic number, because the mean of its divisors is an integer number (20069143767).

Almost surely, 2^202100012102 is an apocalyptic number.

202100012102 is a deficient number, since it is larger than the sum of its proper divisors (119006288170).

202100012102 is a wasteful number, since it uses less digits than its factorization.

202100012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294983.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202100012102 its reverse (201210001202), we get a palindrome (403310013304).

The spelling of 202100012102 in words is "two hundred two billion, one hundred million, twelve thousand, one hundred two".