23220031220111 has 8 divisors (see below), whose sum is σ = 25687716997248. Its totient is φ = 20811807751000.

The previous prime is 23220031220077. The next prime is 23220031220149. The reversal of 23220031220111 is 11102213002232.

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 23220031220111 - 2⁶ = 23220031220047 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 (23220031220161) 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, 14865576185 + ... + 14865577746.

It is an arithmetic number, because the mean of its divisors is an integer number (3210964624656).

Almost surely, 2^{23220031220111} is an apocalyptic number.

23220031220111 is a deficient number, since it is larger than the sum of its proper divisors (2467685777137).

23220031220111 is a wasteful number, since it uses less digits than its factorization.

23220031220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29731154013.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23220031220111 its reverse (11102213002232), we get a palindrome (34322244222343).

The spelling of 23220031220111 in words is "twenty-three trillion, two hundred twenty billion, thirty-one million, two hundred twenty thousand, one hundred eleven".