22220122120 has 48 divisors (see below), whose sum is σ = 58157773740. Its totient is φ = 7618326912.

The previous prime is 22220122097. The next prime is 22220122163. The reversal of 22220122120 is 2122102222.

It can be written as a sum of positive squares in 2 ways, for example, as 22118233284 + 101888836 = 148722^2 + 10094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22220122094 and 22220122103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5666439 + ... + 5670358.

Almost surely, 2^22220122120 is an apocalyptic number.

22220122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220122120 is an abundant number, since it is smaller than the sum of its proper divisors (35937651620).

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

22220122120 is a wasteful number, since it uses less digits than its factorization.

22220122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336822 (or 11336811 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220122120 its reverse (2122102222), we get a palindrome (24342224342).

The spelling of 22220122120 in words is "twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty".