202102121010 has 32 divisors (see below), whose sum is σ = 485719752960. Its totient is φ = 53818936448.

The previous prime is 202102121009. The next prime is 202102121033. The reversal of 202102121010 is 10121201202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4663227 + ... + 4706366.

It is an arithmetic number, because the mean of its divisors is an integer number (15178742280).

Almost surely, 2^202102121010 is an apocalyptic number.

202102121010 is an abundant number, since it is smaller than the sum of its proper divisors (283617631950).

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

202102121010 is a wasteful number, since it uses less digits than its factorization.

202102121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9370322.

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

Adding to 202102121010 its reverse (10121201202), we get a palindrome (212223322212).

The spelling of 202102121010 in words is "two hundred two billion, one hundred two million, one hundred twenty-one thousand, ten".