2221113231023 has 8 divisors (see below), whose sum is σ = 2221671790800. Its totient is φ = 2220554757760.

The previous prime is 2221113231019. The next prime is 2221113231031. The reversal of 2221113231023 is 3201323111222.

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 2221113231023 - 2² = 2221113231019 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 2221113231023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221113234023) 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, 94355111 + ... + 94378647.

It is an arithmetic number, because the mean of its divisors is an integer number (277708973850).

Almost surely, 2^{2221113231023} is an apocalyptic number.

2221113231023 is a deficient number, since it is larger than the sum of its proper divisors (558559777).

2221113231023 is a wasteful number, since it uses less digits than its factorization.

2221113231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43257.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2221113231023 its reverse (3201323111222), we get a palindrome (5422436342245).

The spelling of 2221113231023 in words is "two trillion, two hundred twenty-one billion, one hundred thirteen million, two hundred thirty-one thousand, twenty-three".