21131120033122 has 48 divisors (see below), whose sum is σ = 35064315054720. Its totient is φ = 9471869136000.

The previous prime is 21131120033087. The next prime is 21131120033161. The reversal of 21131120033122 is 22133002113112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21131120033093 and 21131120033102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 932148004 + ... + 932170672.

It is an arithmetic number, because the mean of its divisors is an integer number (730506563640).

Almost surely, 2^{21131120033122} is an apocalyptic number.

21131120033122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21131120033122 is a deficient number, since it is larger than the sum of its proper divisors (13933195021598).

21131120033122 is a wasteful number, since it uses less digits than its factorization.

21131120033122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30779 (or 30706 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21131120033122 its reverse (22133002113112), we get a palindrome (43264122146234).

The spelling of 21131120033122 in words is "twenty-one trillion, one hundred thirty-one billion, one hundred twenty million, thirty-three thousand, one hundred twenty-two".