22221011013020 has 24 divisors (see below), whose sum is σ = 46667855886624. Its totient is φ = 8887693403456.

The previous prime is 22221011012933. The next prime is 22221011013043. The reversal of 22221011013020 is 2031011012222.

It is a super-2 number, since 2×22221011013020² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22221011013020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44181299 + ... + 44681418.

It is an arithmetic number, because the mean of its divisors is an integer number (1944493995276).

Almost surely, 2^{22221011013020} is an apocalyptic number.

22221011013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221011013020 is an abundant number, since it is smaller than the sum of its proper divisors (24446844873604).

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

22221011013020 is a wasteful number, since it uses less digits than its factorization.

22221011013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88875229 (or 88875227 counting only the distinct ones).

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

Adding to 22221011013020 its reverse (2031011012222), we get a palindrome (24252022025242).

The spelling of 22221011013020 in words is "twenty-two trillion, two hundred twenty-one billion, eleven million, thirteen thousand, twenty".