22020113111 has 4 divisors (see below), whose sum is σ = 22298848800. Its totient is φ = 21741377424.

The previous prime is 22020113077. The next prime is 22020113119. The reversal of 22020113111 is 11131102022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11131102022 = 2 ⋅5565551011.

It is a cyclic number.

It is not a de Polignac number, because 22020113111 - 2³⁰ = 20946371287 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 (22020113119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139367726 + ... + 139367883.

It is an arithmetic number, because the mean of its divisors is an integer number (5574712200).

Almost surely, 2^22020113111 is an apocalyptic number.

22020113111 is a deficient number, since it is larger than the sum of its proper divisors (278735689).

22020113111 is an equidigital number, since it uses as much as digits as its factorization.

22020113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278735688.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22020113111 its reverse (11131102022), we get a palindrome (33151215133).

The spelling of 22020113111 in words is "twenty-two billion, twenty million, one hundred thirteen thousand, one hundred eleven".