22231300231021 has 8 divisors (see below), whose sum is σ = 25416429200064. Its totient is φ = 19048478496000.

The previous prime is 22231300230989. The next prime is 22231300231033. The reversal of 22231300231021 is 12013200313222.

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 22231300231021 - 2⁵ = 22231300230989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22231300230983 and 22231300231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231300231081) 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 7 ways as a sum of consecutive naturals, for example, 576787855 + ... + 576826396.

It is an arithmetic number, because the mean of its divisors is an integer number (3177053650008).

Almost surely, 2^{22231300231021} is an apocalyptic number.

It is an amenable number.

22231300231021 is a deficient number, since it is larger than the sum of its proper divisors (3185128969043).

22231300231021 is a wasteful number, since it uses less digits than its factorization.

22231300231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153617011.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22231300231021 its reverse (12013200313222), we get a palindrome (34244500544243).

The spelling of 22231300231021 in words is "twenty-two trillion, two hundred thirty-one billion, three hundred million, two hundred thirty-one thousand, twenty-one".