22120121132 has 24 divisors (see below), whose sum is σ = 41029791264. Its totient is φ = 10398673152.

The previous prime is 22120121123. The next prime is 22120121137. The reversal of 22120121132 is 23112102122.

It is a super-2 number, since 2×22120121132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 22120121132.

It is not an unprimeable number, because it can be changed into a prime (22120121137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102443 + ... + 233954.

It is an arithmetic number, because the mean of its divisors is an integer number (1709574636).

Almost surely, 2^22120121132 is an apocalyptic number.

It is an amenable number.

22120121132 is a deficient number, since it is larger than the sum of its proper divisors (18909670132).

22120121132 is a wasteful number, since it uses less digits than its factorization.

22120121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337385 (or 337383 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22120121132 its reverse (23112102122), we get a palindrome (45232223254).

The spelling of 22120121132 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred thirty-two".