201021022110 has 64 divisors (see below), whose sum is σ = 485102131200. Its totient is φ = 53311230720.

The previous prime is 201021022109. The next prime is 201021022129. The reversal of 201021022110 is 11220120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15175090 + ... + 15188330.

It is an arithmetic number, because the mean of its divisors is an integer number (7579720800).

Almost surely, 2^201021022110 is an apocalyptic number.

201021022110 is an abundant number, since it is smaller than the sum of its proper divisors (284081109090).

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

201021022110 is a wasteful number, since it uses less digits than its factorization.

201021022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15993.

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

Adding to 201021022110 its reverse (11220120102), we get a palindrome (212241142212).

The spelling of 201021022110 in words is "two hundred one billion, twenty-one million, twenty-two thousand, one hundred ten".