22031120000 has 80 divisors (see below), whose sum is σ = 54845295450. Its totient is φ = 8812416000.

The previous prime is 22031119987. The next prime is 22031120011. The reversal of 22031120000 is 2113022.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2303232064 + 19727887936 = 47992^2 + 140456^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57695 + ... + 217694.

Almost surely, 2^22031120000 is an apocalyptic number.

22031120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031120000 is an abundant number, since it is smaller than the sum of its proper divisors (32814175450).

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

22031120000 is an frugal number, since it uses more digits than its factorization.

22031120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275423 (or 275396 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22031120000 its reverse (2113022), we get a palindrome (22033233022).

The spelling of 22031120000 in words is "twenty-two billion, thirty-one million, one hundred twenty thousand".