22022120021120 has 128 divisors (see below), whose sum is σ = 55666021824000. Its totient is φ = 8307800875008.

The previous prime is 22022120021093. The next prime is 22022120021129. The reversal of 22022120021120 is 2112002122022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×22022120021120² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022120021129) 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, 1348925 + ... + 6772284.

It is an arithmetic number, because the mean of its divisors is an integer number (434890795500).

Almost surely, 2^{22022120021120} is an apocalyptic number.

22022120021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022120021120 is an abundant number, since it is smaller than the sum of its proper divisors (33643901802880).

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

22022120021120 is a wasteful number, since it uses less digits than its factorization.

22022120021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121470 (or 8121458 counting only the distinct ones).

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

Adding to 22022120021120 its reverse (2112002122022), we get a palindrome (24134122143142).

The spelling of 22022120021120 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred twenty".