11420222013 has 24 divisors (see below), whose sum is σ = 16947559200. Its totient is φ = 7405154784.

The previous prime is 11420221999. The next prime is 11420222027. The reversal of 11420222013 is 31022202411.

It is a happy number.

11420222013 is a `hidden beast` number, since 11 + 420 + 2 + 220 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (11420221999) and next prime (11420222027).

It is not a de Polignac number, because 11420222013 - 2⁴ = 11420221997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420222053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1681258 + ... + 1688036.

It is an arithmetic number, because the mean of its divisors is an integer number (706148300).

Almost surely, 2^11420222013 is an apocalyptic number.

It is an amenable number.

11420222013 is a deficient number, since it is larger than the sum of its proper divisors (5527337187).

11420222013 is a wasteful number, since it uses less digits than its factorization.

11420222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11881 (or 11878 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11420222013 its reverse (31022202411), we get a palindrome (42442424424).

It can be divided in two parts, 11 and 420222013, that added together give a palindrome (420222024).

The spelling of 11420222013 in words is "eleven billion, four hundred twenty million, two hundred twenty-two thousand, thirteen".