202102202102 has 16 divisors (see below), whose sum is σ = 306188772624. Its totient is φ = 100039500000.

The previous prime is 202102202083. The next prime is 202102202191. The reversal of 202102202102 is 201202201202.

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, 1949477 + ... + 2050527.

It is an arithmetic number, because the mean of its divisors is an integer number (19136798289).

Almost surely, 2^202102202102 is an apocalyptic number.

202102202102 is a deficient number, since it is larger than the sum of its proper divisors (104086570522).

202102202102 is a wasteful number, since it uses less digits than its factorization.

202102202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111055.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202102202102 its reverse (201202201202), we get a palindrome (403304403304).

The spelling of 202102202102 in words is "two hundred two billion, one hundred two million, two hundred two thousand, one hundred two".