20012021102110 has 16 divisors (see below), whose sum is σ = 37183626306432. Its totient is φ = 7746588813600.

The previous prime is 20012021102071. The next prime is 20012021102111. The reversal of 20012021102110 is 1120112021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012021102111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32277453081 + ... + 32277453700.

It is an arithmetic number, because the mean of its divisors is an integer number (2323976644152).

Almost surely, 2^{20012021102110} is an apocalyptic number.

20012021102110 is a deficient number, since it is larger than the sum of its proper divisors (17171605204322).

20012021102110 is a wasteful number, since it uses less digits than its factorization.

20012021102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64554906819.

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

Adding to 20012021102110 its reverse (1120112021002), we get a palindrome (21132133123112).

The spelling of 20012021102110 in words is "twenty trillion, twelve billion, twenty-one million, one hundred two thousand, one hundred ten".