22101210312 has 16 divisors (see below), whose sum is σ = 55253025840. Its totient is φ = 7367070096.

The previous prime is 22101210289. The next prime is 22101210319. The reversal of 22101210312 is 21301210122.

It is a junction number, because it is equal to n+sod(n) for n = 22101210291 and 22101210300.

It is not an unprimeable number, because it can be changed into a prime (22101210319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460441858 + ... + 460441905.

It is an arithmetic number, because the mean of its divisors is an integer number (3453314115).

Almost surely, 2^22101210312 is an apocalyptic number.

It is an amenable number.

22101210312 is an abundant number, since it is smaller than the sum of its proper divisors (33151815528).

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

22101210312 is a wasteful number, since it uses less digits than its factorization.

22101210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920883772 (or 920883768 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22101210312 its reverse (21301210122), we get a palindrome (43402420434).

The spelling of 22101210312 in words is "twenty-two billion, one hundred one million, two hundred ten thousand, three hundred twelve".