22120221111122 has 16 divisors (see below), whose sum is σ = 33808901259672. Its totient is φ = 10850618538240.

The previous prime is 22120221111049. The next prime is 22120221111139. The reversal of 22120221111122 is 22111112202122.

It can be written as a sum of positive squares in 4 ways, for example, as 15354806827441 + 6765414283681 = 3918521^2 + 2601041^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22120221111094 and 22120221111103.

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, 6368279 + ... + 9208442.

Almost surely, 2^{22120221111122} is an apocalyptic number.

22120221111122 is a deficient number, since it is larger than the sum of its proper divisors (11688680148550).

22120221111122 is a wasteful number, since it uses less digits than its factorization.

22120221111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15590173.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22120221111122 its reverse (22111112202122), we get a palindrome (44231333313244).

The spelling of 22120221111122 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".