20101110122122 has 16 divisors (see below), whose sum is σ = 30224595441600. Its totient is φ = 10026246514240.

The previous prime is 20101110122101. The next prime is 20101110122153. The reversal of 20101110122122 is 22122101110102.

It is a junction number, because it is equal to n+sod(n) for n = 20101110122096 and 20101110122105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26917779 + ... + 27654457.

It is an arithmetic number, because the mean of its divisors is an integer number (1889037215100).

Almost surely, 2^{20101110122122} is an apocalyptic number.

20101110122122 is a deficient number, since it is larger than the sum of its proper divisors (10123485319478).

20101110122122 is a wasteful number, since it uses less digits than its factorization.

20101110122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769661.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20101110122122 its reverse (22122101110102), we get a palindrome (42223211232224).

The spelling of 20101110122122 in words is "twenty trillion, one hundred one billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty-two".