20222122113 has 6 divisors (see below), whose sum is σ = 29209731954. Its totient is φ = 13481414736.

The previous prime is 20222122097. The next prime is 20222122133. The reversal of 20222122113 is 31122122202.

It can be written as a sum of positive squares in only one way, i.e., 13374228609 + 6847893504 = 115647^2 + 82752^2 .

It is not a de Polignac number, because 20222122113 - 2⁴ = 20222122097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222122133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123451220 + ... + 1123451237.

It is an arithmetic number, because the mean of its divisors is an integer number (4868288659).

Almost surely, 2^20222122113 is an apocalyptic number.

It is an amenable number.

20222122113 is a deficient number, since it is larger than the sum of its proper divisors (8987609841).

20222122113 is a wasteful number, since it uses less digits than its factorization.

20222122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246902463 (or 2246902460 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20222122113 its reverse (31122122202), we get a palindrome (51344244315).

The spelling of 20222122113 in words is "twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred thirteen".