20021012110122 has 16 divisors (see below), whose sum is σ = 40797534111840. Its totient is φ = 6547752388112.

The previous prime is 20021012110117. The next prime is 20021012110163. The reversal of 20021012110122 is 22101121012002.

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, 31479578472 + ... + 31479579107.

It is an arithmetic number, because the mean of its divisors is an integer number (2549845881990).

Almost surely, 2^{20021012110122} is an apocalyptic number.

20021012110122 is an abundant number, since it is smaller than the sum of its proper divisors (20776522001718).

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

20021012110122 is a wasteful number, since it uses less digits than its factorization.

20021012110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62959157637.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20021012110122 its reverse (22101121012002), we get a palindrome (42122133122124).

The spelling of 20021012110122 in words is "twenty trillion, twenty-one billion, twelve million, one hundred ten thousand, one hundred twenty-two".