22120111332 has 72 divisors (see below), whose sum is σ = 61020103872. Its totient is φ = 6700622400.

The previous prime is 22120111271. The next prime is 22120111337. The reversal of 22120111332 is 23311102122.

22120111332 is a `hidden beast` number, since 221 + 2 + 0 + 111 + 332 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (22120111337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1286778 + ... + 1303854.

Almost surely, 2^22120111332 is an apocalyptic number.

22120111332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22120111332 is an abundant number, since it is smaller than the sum of its proper divisors (38899992540).

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

22120111332 is a wasteful number, since it uses less digits than its factorization.

22120111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20369 (or 20364 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22120111332 its reverse (23311102122), we get a palindrome (45431213454).

The spelling of 22120111332 in words is "twenty-two billion, one hundred twenty million, one hundred eleven thousand, three hundred thirty-two".