22031545121 has 8 divisors (see below), whose sum is σ = 22433120640. Its totient is φ = 21630908368.

The previous prime is 22031545111. The next prime is 22031545153. The reversal of 22031545121 is 12154513022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22031545121 - 2¹⁴ = 22031528737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031545111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187241 + ... + 281286.

It is an arithmetic number, because the mean of its divisors is an integer number (2804140080).

Almost surely, 2^22031545121 is an apocalyptic number.

It is an amenable number.

22031545121 is a deficient number, since it is larger than the sum of its proper divisors (401575519).

22031545121 is an equidigital number, since it uses as much as digits as its factorization.

22031545121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469383.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 22031545121 in words is "twenty-two billion, thirty-one million, five hundred forty-five thousand, one hundred twenty-one".