22002222122120 has 64 divisors (see below), whose sum is σ = 49585405504320. Its totient is φ = 8786596402944.

The previous prime is 22002222122081. The next prime is 22002222122123. The reversal of 22002222122120 is 2122122220022.

It is a super-2 number, since 2×22002222122120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22002222122092 and 22002222122101.

It is not an unprimeable number, because it can be changed into a prime (22002222122123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666980267 + ... + 667013253.

It is an arithmetic number, because the mean of its divisors is an integer number (774771961005).

Almost surely, 2^{22002222122120} is an apocalyptic number.

22002222122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002222122120 is an abundant number, since it is smaller than the sum of its proper divisors (27583183382200).

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

22002222122120 is a wasteful number, since it uses less digits than its factorization.

22002222122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59574 (or 59570 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22002222122120 its reverse (2122122220022), we get a palindrome (24124344342142).

The spelling of 22002222122120 in words is "twenty-two trillion, two billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty".