22501273112 has 16 divisors (see below), whose sum is σ = 42231715800. Its totient is φ = 11239482240.

The previous prime is 22501273111. The next prime is 22501273121. The reversal of 22501273112 is 21137210522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501273111) 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 3 ways as a sum of consecutive naturals, for example, 1385714 + ... + 1401857.

Almost surely, 2^22501273112 is an apocalyptic number.

It is an amenable number.

22501273112 is a deficient number, since it is larger than the sum of its proper divisors (19730442688).

22501273112 is a wasteful number, since it uses less digits than its factorization.

22501273112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788586 (or 2788582 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 22501273112 its reverse (21137210522), we get a palindrome (43638483634).

The spelling of 22501273112 in words is "twenty-two billion, five hundred one million, two hundred seventy-three thousand, one hundred twelve".