22128911256122 has 16 divisors (see below), whose sum is σ = 36894171084192. Its totient is φ = 9868811194320.

The previous prime is 22128911256083. The next prime is 22128911256161. The reversal of 22128911256122 is 22165211982122.

It is an interprime number because it is at equal distance from previous prime (22128911256083) and next prime (22128911256161).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9489240368 + ... + 9489242699.

It is an arithmetic number, because the mean of its divisors is an integer number (2305885692762).

Almost surely, 2^{22128911256122} is an apocalyptic number.

22128911256122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22128911256122 is a deficient number, since it is larger than the sum of its proper divisors (14765259828070).

22128911256122 is a wasteful number, since it uses less digits than its factorization.

22128911256122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18978483133.

The product of its digits is 138240, while the sum is 44.

It can be divided in two parts, 221289 and 11256122, that added together give a palindrome (11477411).

The spelling of 22128911256122 in words is "twenty-two trillion, one hundred twenty-eight billion, nine hundred eleven million, two hundred fifty-six thousand, one hundred twenty-two".