201021200110 has 128 divisors (see below), whose sum is σ = 381010863744. Its totient is φ = 76311797760.

The previous prime is 201021200077. The next prime is 201021200123. The reversal of 201021200110 is 11002120102.

201021200110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 506350432 + ... + 506350828.

It is an arithmetic number, because the mean of its divisors is an integer number (2976647373).

Almost surely, 2^201021200110 is an apocalyptic number.

201021200110 is a deficient number, since it is larger than the sum of its proper divisors (179989663634).

201021200110 is a wasteful number, since it uses less digits than its factorization.

201021200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201021200110 its reverse (11002120102), we get a palindrome (212023320212).

The spelling of 201021200110 in words is "two hundred one billion, twenty-one million, two hundred thousand, one hundred ten".