11122322031 has 8 divisors (see below), whose sum is σ = 16477514160. Its totient is φ = 7414881336.

The previous prime is 11122321963. The next prime is 11122322039. The reversal of 11122322031 is 13022322111.

It is not a de Polignac number, because 11122322031 - 2²⁹ = 10585451119 is a prime.

It is a super-2 number, since 2×11122322031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11122321995 and 11122322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122322039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205968900 + ... + 205968953.

It is an arithmetic number, because the mean of its divisors is an integer number (2059689270).

Almost surely, 2^11122322031 is an apocalyptic number.

11122322031 is a deficient number, since it is larger than the sum of its proper divisors (5355192129).

11122322031 is an equidigital number, since it uses as much as digits as its factorization.

11122322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411937862 (or 411937856 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11122322031 its reverse (13022322111), we get a palindrome (24144644142).

The spelling of 11122322031 in words is "eleven billion, one hundred twenty-two million, three hundred twenty-two thousand, thirty-one".