22011255500421 has 16 divisors (see below), whose sum is σ = 32016505466880. Its totient is φ = 13340099086320.

The previous prime is 22011255500387. The next prime is 22011255500447. The reversal of 22011255500421 is 12400555211022.

It is not a de Polignac number, because 22011255500421 - 2¹¹ = 22011255498373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011255500461) 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 15 ways as a sum of consecutive naturals, for example, 7459420 + ... + 9983258.

It is an arithmetic number, because the mean of its divisors is an integer number (2001031591680).

Almost surely, 2^{22011255500421} is an apocalyptic number.

It is an amenable number.

22011255500421 is a deficient number, since it is larger than the sum of its proper divisors (10005249966459).

22011255500421 is a wasteful number, since it uses less digits than its factorization.

22011255500421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788136.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 22011255500421 in words is "twenty-two trillion, eleven billion, two hundred fifty-five million, five hundred thousand, four hundred twenty-one".