23102101221 has 8 divisors (see below), whose sum is σ = 30831143424. Its totient is φ = 15387229920.

The previous prime is 23102101189. The next prime is 23102101241. The reversal of 23102101221 is 12210120132.

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

It is not a de Polignac number, because 23102101221 - 2⁵ = 23102101189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23102101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102101241) 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, 3538920 + ... + 3545441.

It is an arithmetic number, because the mean of its divisors is an integer number (3853892928).

Almost surely, 2^23102101221 is an apocalyptic number.

It is an amenable number.

23102101221 is a deficient number, since it is larger than the sum of its proper divisors (7729042203).

23102101221 is a wasteful number, since it uses less digits than its factorization.

23102101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085451.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23102101221 its reverse (12210120132), we get a palindrome (35312221353).

The spelling of 23102101221 in words is "twenty-three billion, one hundred two million, one hundred one thousand, two hundred twenty-one".