201021122110 has 16 divisors (see below), whose sum is σ = 366934331232. Its totient is φ = 79275935200.

The previous prime is 201021122053. The next prime is 201021122129. The reversal of 201021122110 is 11221120102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141563461 + ... + 141564880.

It is an arithmetic number, because the mean of its divisors is an integer number (22933395702).

Almost surely, 2^201021122110 is an apocalyptic number.

201021122110 is a deficient number, since it is larger than the sum of its proper divisors (165913209122).

201021122110 is a wasteful number, since it uses less digits than its factorization.

201021122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283128419.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201021122110 its reverse (11221120102), we get a palindrome (212242242212).

The spelling of 201021122110 in words is "two hundred one billion, twenty-one million, one hundred twenty-two thousand, one hundred ten".