202021011102 has 32 divisors (see below), whose sum is σ = 406565609472. Its totient is φ = 66920535584.

The previous prime is 202021011097. The next prime is 202021011133. The reversal of 202021011102 is 201110120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921043 + ... + 1119089.

It is an arithmetic number, because the mean of its divisors is an integer number (12705175296).

Almost surely, 2^202021011102 is an apocalyptic number.

202021011102 is an abundant number, since it is smaller than the sum of its proper divisors (204544598370).

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

202021011102 is a wasteful number, since it uses less digits than its factorization.

202021011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199112.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202021011102 its reverse (201110120202), we get a palindrome (403131131304).

The spelling of 202021011102 in words is "two hundred two billion, twenty-one million, eleven thousand, one hundred two".