11420422131 has 32 divisors (see below), whose sum is σ = 16143424000. Its totient is φ = 7161447168.

The previous prime is 11420422067. The next prime is 11420422151. The reversal of 11420422131 is 13122402411.

It is not a de Polignac number, because 11420422131 - 2⁶ = 11420422067 is a prime.

It is a super-2 number, since 2×11420422131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11420422098 and 11420422107.

It is not an unprimeable number, because it can be changed into a prime (11420422151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5729271 + ... + 5731263.

It is an arithmetic number, because the mean of its divisors is an integer number (504482000).

Almost surely, 2^11420422131 is an apocalyptic number.

11420422131 is a deficient number, since it is larger than the sum of its proper divisors (4723001869).

11420422131 is a wasteful number, since it uses less digits than its factorization.

11420422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11420422131 its reverse (13122402411), we get a palindrome (24542824542).

The spelling of 11420422131 in words is "eleven billion, four hundred twenty million, four hundred twenty-two thousand, one hundred thirty-one".