13023220111 has 16 divisors (see below), whose sum is σ = 14251805568. Its totient is φ = 11802146400.

The previous prime is 13023220079. The next prime is 13023220121. The reversal of 13023220111 is 11102232031.

It is not a de Polignac number, because 13023220111 - 2⁵ = 13023220079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023220121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8962261 + ... + 8963713.

It is an arithmetic number, because the mean of its divisors is an integer number (890737848).

Almost surely, 2^13023220111 is an apocalyptic number.

13023220111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13023220111 is a deficient number, since it is larger than the sum of its proper divisors (1228585457).

13023220111 is a wasteful number, since it uses less digits than its factorization.

13023220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13023220111 its reverse (11102232031), we get a palindrome (24125452142).

The spelling of 13023220111 in words is "thirteen billion, twenty-three million, two hundred twenty thousand, one hundred eleven".