22301310111020 has 96 divisors (see below), whose sum is σ = 49288137292800. Its totient is φ = 8459788296960.

The previous prime is 22301310111019. The next prime is 22301310111061. The reversal of 22301310111020 is 2011101310322.

It is a self number, because there is not a number n which added to its sum of digits gives 22301310111020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25475390 + ... + 26336250.

It is an arithmetic number, because the mean of its divisors is an integer number (513418096800).

Almost surely, 2^{22301310111020} is an apocalyptic number.

22301310111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22301310111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24644068646400).

22301310111020 is an abundant number, since it is smaller than the sum of its proper divisors (26986827181780).

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

22301310111020 is a wasteful number, since it uses less digits than its factorization.

22301310111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861375 (or 861373 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22301310111020 its reverse (2011101310322), we get a palindrome (24312411421342).

The spelling of 22301310111020 in words is "twenty-two trillion, three hundred one billion, three hundred ten million, one hundred eleven thousand, twenty".