22321122112 has 14 divisors (see below), whose sum is σ = 44293476818. Its totient is φ = 11160561024.

The previous prime is 22321122079. The next prime is 22321122193. The reversal of 22321122112 is 21122112322.

It can be written as a sum of positive squares in only one way, i.e., 17259653376 + 5061468736 = 131376^2 + 71144^2 .

It is a super-3 number, since 3×22321122112³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321122112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174383703 + ... + 174383830.

Almost surely, 2^22321122112 is an apocalyptic number.

It is an amenable number.

22321122112 is a deficient number, since it is larger than the sum of its proper divisors (21972354706).

22321122112 is an equidigital number, since it uses as much as digits as its factorization.

22321122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348767545 (or 348767535 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

Adding to 22321122112 its reverse (21122112322), we get a palindrome (43443234434).

The spelling of 22321122112 in words is "twenty-two billion, three hundred twenty-one million, one hundred twenty-two thousand, one hundred twelve".