22122111113320 has 16 divisors (see below), whose sum is σ = 49774750005060. Its totient is φ = 8848844445312.

The previous prime is 22122111113293. The next prime is 22122111113353. The reversal of 22122111113320 is 2331111122122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22040752678564 + 81358434756 = 4694758^2 + 285234^2 .

It is a super-2 number, since 2×22122111113320² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22122111113291 and 22122111113300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276526388877 + ... + 276526388956.

Almost surely, 2^{22122111113320} is an apocalyptic number.

22122111113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122111113320 is an abundant number, since it is smaller than the sum of its proper divisors (27652638891740).

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

22122111113320 is a wasteful number, since it uses less digits than its factorization.

22122111113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553052777844 (or 553052777840 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 22122111113320 its reverse (2331111122122), we get a palindrome (24453222235442).

The spelling of 22122111113320 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred thirteen thousand, three hundred twenty".