202110021012 has 12 divisors (see below), whose sum is σ = 471590049056. Its totient is φ = 67370007000.

The previous prime is 202110020999. The next prime is 202110021067. The reversal of 202110021012 is 210120011202.

202110021012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 16842501751 = 202110021012 / (2 + 0 + 2 + 1 + 1 + 0 + 0 + 2 + 1 + 0 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8421250864 + ... + 8421250887.

Almost surely, 2^202110021012 is an apocalyptic number.

It is an amenable number.

202110021012 is an abundant number, since it is smaller than the sum of its proper divisors (269480028044).

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

202110021012 is a wasteful number, since it uses less digits than its factorization.

202110021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16842501758 (or 16842501756 counting only the distinct ones).

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

Adding to 202110021012 its reverse (210120011202), we get a palindrome (412230032214).

The spelling of 202110021012 in words is "two hundred two billion, one hundred ten million, twenty-one thousand, twelve".