20122110122122 has 16 divisors (see below), whose sum is σ = 30414256488000. Its totient is φ = 9984028088320.

The previous prime is 20122110122119. The next prime is 20122110122137. The reversal of 20122110122122 is 22122101122102.

It is a self number, because there is not a number n which added to its sum of digits gives 20122110122122.

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, 11096379 + ... + 12781777.

It is an arithmetic number, because the mean of its divisors is an integer number (1900891030500).

Almost surely, 2^{20122110122122} is an apocalyptic number.

20122110122122 is a deficient number, since it is larger than the sum of its proper divisors (10292146365878).

20122110122122 is a wasteful number, since it uses less digits than its factorization.

20122110122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731101.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20122110122122 its reverse (22122101122102), we get a palindrome (42244211244224).

The spelling of 20122110122122 in words is "twenty trillion, one hundred twenty-two billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty-two".