22231323121013 has 4 divisors (see below), whose sum is σ = 23197902387168. Its totient is φ = 21264743854860.

The previous prime is 22231323120997. The next prime is 22231323121079. The reversal of 22231323121013 is 31012132313222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22231323121013 - 2⁴ = 22231323120997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231323111013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 483289633043 + ... + 483289633088.

It is an arithmetic number, because the mean of its divisors is an integer number (5799475596792).

Almost surely, 2^{22231323121013} is an apocalyptic number.

22231323121013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22231323121013 is a deficient number, since it is larger than the sum of its proper divisors (966579266155).

22231323121013 is an equidigital number, since it uses as much as digits as its factorization.

22231323121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966579266154.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 22231323121013 its reverse (31012132313222), we get a palindrome (53243455434235).

The spelling of 22231323121013 in words is "twenty-two trillion, two hundred thirty-one billion, three hundred twenty-three million, one hundred twenty-one thousand, thirteen".