23330313122221 has 48 divisors (see below), whose sum is σ = 29357567553600. Its totient is φ = 18424911359232.

The previous prime is 23330313122153. The next prime is 23330313122239. The reversal of 23330313122221 is 12222131303332.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23330313122221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23330313122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330313122021) 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 47 ways as a sum of consecutive naturals, for example, 8077095 + ... + 10578283.

It is an arithmetic number, because the mean of its divisors is an integer number (611615990700).

Almost surely, 2^{23330313122221} is an apocalyptic number.

It is an amenable number.

23330313122221 is a deficient number, since it is larger than the sum of its proper divisors (6027254431379).

23330313122221 is a wasteful number, since it uses less digits than its factorization.

23330313122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501498 (or 2501491 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23330313122221 its reverse (12222131303332), we get a palindrome (35552444425553).

The spelling of 23330313122221 in words is "twenty-three trillion, three hundred thirty billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-one".