20113100031122 has 32 divisors (see below), whose sum is σ = 34585333956480. Its totient is φ = 8593468899840.

The previous prime is 20113100031091. The next prime is 20113100031163. The reversal of 20113100031122 is 22113000131102.

It is a self number, because there is not a number n which added to its sum of digits gives 20113100031122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117418754 + ... + 117589922.

It is an arithmetic number, because the mean of its divisors is an integer number (1080791686140).

Almost surely, 2^{20113100031122} is an apocalyptic number.

20113100031122 is a deficient number, since it is larger than the sum of its proper divisors (14472233925358).

20113100031122 is a wasteful number, since it uses less digits than its factorization.

20113100031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196866.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20113100031122 its reverse (22113000131102), we get a palindrome (42226100162224).

The spelling of 20113100031122 in words is "twenty trillion, one hundred thirteen billion, one hundred million, thirty-one thousand, one hundred twenty-two".