22301232113221 has 4 divisors (see below), whose sum is σ = 22301294842944. Its totient is φ = 22301169383500.

The previous prime is 22301232113219. The next prime is 22301232113231. The reversal of 22301232113221 is 12231123210322.

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 22301232113221 - 2¹ = 22301232113219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22301232113231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30828535 + ... + 31543636.

It is an arithmetic number, because the mean of its divisors is an integer number (5575323710736).

Almost surely, 2^{22301232113221} is an apocalyptic number.

It is an amenable number.

22301232113221 is a deficient number, since it is larger than the sum of its proper divisors (62729723).

22301232113221 is an equidigital number, since it uses as much as digits as its factorization.

22301232113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62729722.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22301232113221 its reverse (12231123210322), we get a palindrome (34532355323543).

The spelling of 22301232113221 in words is "twenty-two trillion, three hundred one billion, two hundred thirty-two million, one hundred thirteen thousand, two hundred twenty-one".