11122114431 has 4 divisors (see below), whose sum is σ = 14829485912. Its totient is φ = 7414742952.

The previous prime is 11122114427. The next prime is 11122114433. The reversal of 11122114431 is 13441122111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11122114431 - 2² = 11122114427 is a prime.

It is a super-2 number, since 2×11122114431² (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 = 11122114398 and 11122114407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122114433) 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, 1853685736 + ... + 1853685741.

It is an arithmetic number, because the mean of its divisors is an integer number (3707371478).

Almost surely, 2^11122114431 is an apocalyptic number.

11122114431 is a deficient number, since it is larger than the sum of its proper divisors (3707371481).

11122114431 is an equidigital number, since it uses as much as digits as its factorization.

11122114431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707371480.

The product of its digits is 192, while the sum is 21.

Adding to 11122114431 its reverse (13441122111), we get a palindrome (24563236542).

The spelling of 11122114431 in words is "eleven billion, one hundred twenty-two million, one hundred fourteen thousand, four hundred thirty-one".