20211312110 has 64 divisors (see below), whose sum is σ = 41243904000. Its totient is φ = 7064572800.

The previous prime is 20211312091. The next prime is 20211312127. The reversal of 20211312110 is 1121311202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488201 + ... + 527979.

It is an arithmetic number, because the mean of its divisors is an integer number (644436000).

Almost surely, 2^20211312110 is an apocalyptic number.

20211312110 is an abundant number, since it is smaller than the sum of its proper divisors (21032591890).

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

20211312110 is a wasteful number, since it uses less digits than its factorization.

20211312110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39977.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20211312110 its reverse (1121311202), we get a palindrome (21332623312).

It can be divided in two parts, 2021 and 1312110, that added together give a palindrome (1314131).

The spelling of 20211312110 in words is "twenty billion, two hundred eleven million, three hundred twelve thousand, one hundred ten".