22124119991 has 16 divisors (see below), whose sum is σ = 23496166368. Its totient is φ = 20760038400.

The previous prime is 22124119987. The next prime is 22124120041. The reversal of 22124119991 is 19991142122.

It is a cyclic number.

It is not a de Polignac number, because 22124119991 - 2² = 22124119987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22124116991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10620236 + ... + 10622318.

It is an arithmetic number, because the mean of its divisors is an integer number (1468510398).

Almost surely, 2^22124119991 is an apocalyptic number.

22124119991 is a deficient number, since it is larger than the sum of its proper divisors (1372046377).

22124119991 is a wasteful number, since it uses less digits than its factorization.

22124119991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682.

The product of its digits is 23328, while the sum is 41.

The spelling of 22124119991 in words is "twenty-two billion, one hundred twenty-four million, one hundred nineteen thousand, nine hundred ninety-one".