22112201211020 has 24 divisors (see below), whose sum is σ = 47196862259568. Its totient is φ = 8699882443200.

The previous prime is 22112201211017. The next prime is 22112201211031. The reversal of 22112201211020 is 2011210221122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112201211020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9062376326 + ... + 9062378765.

It is an arithmetic number, because the mean of its divisors is an integer number (1966535927482).

Almost surely, 2^{22112201211020} is an apocalyptic number.

22112201211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112201211020 is an abundant number, since it is smaller than the sum of its proper divisors (25084661048548).

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

22112201211020 is a wasteful number, since it uses less digits than its factorization.

22112201211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18124755161 (or 18124755159 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22112201211020 its reverse (2011210221122), we get a palindrome (24123411432142).

The spelling of 22112201211020 in words is "twenty-two trillion, one hundred twelve billion, two hundred one million, two hundred eleven thousand, twenty".