22311002100212 has 48 divisors (see below), whose sum is σ = 45777866335488. Its totient is φ = 9314862286080.

The previous prime is 22311002100209. The next prime is 22311002100217. The reversal of 22311002100212 is 21200120011322.

It is a super-3 number, since 3×22311002100212³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311002100217) 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, 13576328 + ... + 15130719.

It is an arithmetic number, because the mean of its divisors is an integer number (953705548656).

Almost surely, 2^{22311002100212} is an apocalyptic number.

It is an amenable number.

22311002100212 is an abundant number, since it is smaller than the sum of its proper divisors (23466864235276).

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

22311002100212 is a wasteful number, since it uses less digits than its factorization.

22311002100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28707776 (or 28707774 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22311002100212 its reverse (21200120011322), we get a palindrome (43511122111534).

The spelling of 22311002100212 in words is "twenty-two trillion, three hundred eleven billion, two million, one hundred thousand, two hundred twelve".