23102221111021 has 8 divisors (see below), whose sum is σ = 24879497592320. Its totient is φ = 21324970708272.

The previous prime is 23102221110979. The next prime is 23102221111037. The reversal of 23102221111021 is 12011112220132.

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 23102221111021 - 2⁴¹ = 20903197855469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23102221111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102221115021) 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, 4660101 + ... + 8241418.

It is an arithmetic number, because the mean of its divisors is an integer number (3109937199040).

Almost surely, 2^{23102221111021} is an apocalyptic number.

It is an amenable number.

23102221111021 is a deficient number, since it is larger than the sum of its proper divisors (1777276481299).

23102221111021 is a wasteful number, since it uses less digits than its factorization.

23102221111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13039275.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 23102221111021 its reverse (12011112220132), we get a palindrome (35113333331153).

It can be divided in two parts, 2310222 and 1111021, that added together give a palindrome (3421243).

The spelling of 23102221111021 in words is "twenty-three trillion, one hundred two billion, two hundred twenty-one million, one hundred eleven thousand, twenty-one".