22111120201012 has 12 divisors (see below), whose sum is σ = 38940921883780. Its totient is φ = 10985142519936.

The previous prime is 22111120200989. The next prime is 22111120201033. The reversal of 22111120201012 is 21010202111122.

It can be written as a sum of positive squares in 2 ways, for example, as 14739656279076 + 7371463921936 = 3839226^2 + 2715044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17604394437 + ... + 17604395692.

Almost surely, 2^{22111120201012} is an apocalyptic number.

It is an amenable number.

22111120201012 is a deficient number, since it is larger than the sum of its proper divisors (16829801682768).

22111120201012 is a wasteful number, since it uses less digits than its factorization.

22111120201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35208790290 (or 35208790288 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111120201012 its reverse (21010202111122), we get a palindrome (43121322312134).

The spelling of 22111120201012 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty million, two hundred one thousand, twelve".