22012013311 has 4 divisors (see below), whose sum is σ = 22969057392. Its totient is φ = 21054969232.

The previous prime is 22012013279. The next prime is 22012013351. The reversal of 22012013311 is 11331021022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11331021022 = 2 ⋅5665510511.

It is a cyclic number.

It is not a de Polignac number, because 22012013311 - 2⁵ = 22012013279 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 (22012013351) 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, 478522006 + ... + 478522051.

It is an arithmetic number, because the mean of its divisors is an integer number (5742264348).

Almost surely, 2^22012013311 is an apocalyptic number.

22012013311 is a deficient number, since it is larger than the sum of its proper divisors (957044081).

22012013311 is an equidigital number, since it uses as much as digits as its factorization.

22012013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957044080.

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

Adding to 22012013311 its reverse (11331021022), we get a palindrome (33343034333).

The spelling of 22012013311 in words is "twenty-two billion, twelve million, thirteen thousand, three hundred eleven".