201021000012102 has 32 divisors (see below), whose sum is σ = 402107016229632. Its totient is φ = 66996164895264.

The previous prime is 201021000012061. The next prime is 201021000012121. The reversal of 201021000012102 is 201210000120102.

201021000012102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 976499928 + ... + 976705764.

It is an arithmetic number, because the mean of its divisors is an integer number (12565844257176).

Almost surely, 2^{201021000012102} is an apocalyptic number.

201021000012102 is an abundant number, since it is smaller than the sum of its proper divisors (201086016217530).

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

201021000012102 is a wasteful number, since it uses less digits than its factorization.

201021000012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231372.

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

Adding to 201021000012102 its reverse (201210000120102), we get a palindrome (402231000132204).

The spelling of 201021000012102 in words is "two hundred one trillion, twenty-one billion, twelve thousand, one hundred two".