20121113022 has 16 divisors (see below), whose sum is σ = 41540362752. Its totient is φ = 6490681560.

The previous prime is 20121112997. The next prime is 20121113039. The reversal of 20121113022 is 22031112102.

It is a junction number, because it is equal to n+sod(n) for n = 20121112992 and 20121113010.

It is a congruent number.

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, 54088828 + ... + 54089199.

It is an arithmetic number, because the mean of its divisors is an integer number (2596272672).

Almost surely, 2^20121113022 is an apocalyptic number.

20121113022 is an abundant number, since it is smaller than the sum of its proper divisors (21419249730).

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

20121113022 is a wasteful number, since it uses less digits than its factorization.

20121113022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108178063.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20121113022 its reverse (22031112102), we get a palindrome (42152225124).

The spelling of 20121113022 in words is "twenty billion, one hundred twenty-one million, one hundred thirteen thousand, twenty-two".