23100422112221 has 8 divisors (see below), whose sum is σ = 23107064440824. Its totient is φ = 23093780624640.

The previous prime is 23100422112191. The next prime is 23100422112253. The reversal of 23100422112221 is 12221122400132.

It can be written as a sum of positive squares in 4 ways, for example, as 3365628739225 + 19734793372996 = 1834565^2 + 4442386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23100422112221 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 (23100422117221) 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, 56945891 + ... + 57350111.

It is an arithmetic number, because the mean of its divisors is an integer number (2888383055103).

Almost surely, 2^{23100422112221} is an apocalyptic number.

It is an amenable number.

23100422112221 is a deficient number, since it is larger than the sum of its proper divisors (6642328603).

23100422112221 is a wasteful number, since it uses less digits than its factorization.

23100422112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420511.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 23100422112221 its reverse (12221122400132), we get a palindrome (35321544512353).

The spelling of 23100422112221 in words is "twenty-three trillion, one hundred billion, four hundred twenty-two million, one hundred twelve thousand, two hundred twenty-one".