23102231222221 has 8 divisors (see below), whose sum is σ = 23207251737600. Its totient is φ = 22997223413232.

The previous prime is 23102231222201. The next prime is 23102231222237. The reversal of 23102231222221 is 12222213220132.

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 23102231222221 - 2⁷ = 23102231222093 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 (23102231222201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477516 + ... + 6814138.

It is an arithmetic number, because the mean of its divisors is an integer number (2900906467200).

Almost surely, 2^{23102231222221} is an apocalyptic number.

It is an amenable number.

23102231222221 is a deficient number, since it is larger than the sum of its proper divisors (105020515379).

23102231222221 is a wasteful number, since it uses less digits than its factorization.

23102231222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353195.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 23102231222221 its reverse (12222213220132), we get a palindrome (35324444442353).

The spelling of 23102231222221 in words is "twenty-three trillion, one hundred two billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty-one".