22220020012122 has 24 divisors (see below), whose sum is σ = 50236566984864. Its totient is φ = 7084644061704.

The previous prime is 22220020012079. The next prime is 22220020012187. The reversal of 22220020012122 is 22121002002222.

22220020012122 is a `hidden beast` number, since 222 + 200 + 200 + 1 + 21 + 22 = 666.

It is a super-4 number, since 4×22220020012122⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22220020012095 and 22220020012104.

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, 26835772548 + ... + 26835773375.

It is an arithmetic number, because the mean of its divisors is an integer number (2093190291036).

Almost surely, 2^{22220020012122} is an apocalyptic number.

22220020012122 is an abundant number, since it is smaller than the sum of its proper divisors (28016546972742).

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

22220020012122 is a wasteful number, since it uses less digits than its factorization.

22220020012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53671545954 (or 53671545951 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22220020012122 its reverse (22121002002222), we get a palindrome (44341022014344).

The spelling of 22220020012122 in words is "twenty-two trillion, two hundred twenty billion, twenty million, twelve thousand, one hundred twenty-two".