11122442031 has 4 divisors (see below), whose sum is σ = 14829922712. Its totient is φ = 7414961352.

The previous prime is 11122442027. The next prime is 11122442033. The reversal of 11122442031 is 13024422111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13024422111 = 3 ⋅4341474037.

It is not a de Polignac number, because 11122442031 - 2² = 11122442027 is a prime.

It is a super-2 number, since 2×11122442031² (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 = 11122441989 and 11122442007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122442033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853740336 + ... + 1853740341.

It is an arithmetic number, because the mean of its divisors is an integer number (3707480678).

Almost surely, 2^11122442031 is an apocalyptic number.

11122442031 is a deficient number, since it is larger than the sum of its proper divisors (3707480681).

11122442031 is an equidigital number, since it uses as much as digits as its factorization.

11122442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707480680.

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

Adding to 11122442031 its reverse (13024422111), we get a palindrome (24146864142).

The spelling of 11122442031 in words is "eleven billion, one hundred twenty-two million, four hundred forty-two thousand, thirty-one".