22021131123320 has 64 divisors (see below), whose sum is σ = 58578378379200. Its totient is φ = 7289753748480.

The previous prime is 22021131123259. The next prime is 22021131123323. The reversal of 22021131123320 is 2332113112022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021131123323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355972861 + ... + 1355989100.

It is an arithmetic number, because the mean of its divisors is an integer number (915287162175).

Almost surely, 2^{22021131123320} is an apocalyptic number.

22021131123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021131123320 is an abundant number, since it is smaller than the sum of its proper divisors (36557247255880).

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

22021131123320 is a wasteful number, since it uses less digits than its factorization.

22021131123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711962008 (or 2711962004 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22021131123320 its reverse (2332113112022), we get a palindrome (24353244235342).

The spelling of 22021131123320 in words is "twenty-two trillion, twenty-one billion, one hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty".