22100123144 has 32 divisors (see below), whose sum is σ = 47584000800. Its totient is φ = 9516798720.

The previous prime is 22100123099. The next prime is 22100123159. The reversal of 22100123144 is 44132100122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6607217 + ... + 6610560.

It is an arithmetic number, because the mean of its divisors is an integer number (1487000025).

Almost surely, 2^22100123144 is an apocalyptic number.

It is an amenable number.

22100123144 is an abundant number, since it is smaller than the sum of its proper divisors (25483877656).

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

22100123144 is a wasteful number, since it uses less digits than its factorization.

22100123144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13217813 (or 13217809 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22100123144 its reverse (44132100122), we get a palindrome (66232223266).

The spelling of 22100123144 in words is "twenty-two billion, one hundred million, one hundred twenty-three thousand, one hundred forty-four".