22021011201112 has 32 divisors (see below), whose sum is σ = 51477688523520. Its totient is φ = 8579614753440.

The previous prime is 22021011201067. The next prime is 22021011201113. The reversal of 22021011201112 is 21110211012022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021011201113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17874196788 + ... + 17874198019.

It is an arithmetic number, because the mean of its divisors is an integer number (1608677766360).

Almost surely, 2^{22021011201112} is an apocalyptic number.

22021011201112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22021011201112 is an abundant number, since it is smaller than the sum of its proper divisors (29456677322408).

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

22021011201112 is a wasteful number, since it uses less digits than its factorization.

22021011201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35748394831 (or 35748394827 counting only the distinct ones).

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

Adding to 22021011201112 its reverse (21110211012022), we get a palindrome (43131222213134).

The spelling of 22021011201112 in words is "twenty-two trillion, twenty-one billion, eleven million, two hundred one thousand, one hundred twelve".