22012012220120 has 32 divisors (see below), whose sum is σ = 53336798842320. Its totient is φ = 8127512204160.

The previous prime is 22012012220111. The next prime is 22012012220161. The reversal of 22012012220120 is 2102221021022.

It is a happy number.

It is a super-2 number, since 2×22012012220120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 21165395846 + ... + 21165396885.

Almost surely, 2^{22012012220120} is an apocalyptic number.

22012012220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012012220120 is an abundant number, since it is smaller than the sum of its proper divisors (31324786622200).

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

22012012220120 is a wasteful number, since it uses less digits than its factorization.

22012012220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42330792755 (or 42330792751 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22012012220120 its reverse (2102221021022), we get a palindrome (24114233241142).

The spelling of 22012012220120 in words is "twenty-two trillion, twelve billion, twelve million, two hundred twenty thousand, one hundred twenty".