22103131311020 has 24 divisors (see below), whose sum is σ = 48859553425200. Its totient is φ = 8375923444032.

The previous prime is 22103131311017. The next prime is 22103131311049. The reversal of 22103131311020 is 2011313130122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22103131310983 and 22103131311001.

It is an unprimeable number.

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, 29083067135 + ... + 29083067894.

It is an arithmetic number, because the mean of its divisors is an integer number (2035814726050).

Almost surely, 2^{22103131311020} is an apocalyptic number.

22103131311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22103131311020 is an abundant number, since it is smaller than the sum of its proper divisors (26756422114180).

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

22103131311020 is a wasteful number, since it uses less digits than its factorization.

22103131311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58166135057 (or 58166135055 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 22103131311020 its reverse (2011313130122), we get a palindrome (24114444441142).

The spelling of 22103131311020 in words is "twenty-two trillion, one hundred three billion, one hundred thirty-one million, three hundred eleven thousand, twenty".