11122311321031 has 16 divisors (see below), whose sum is σ = 11210952614400. Its totient is φ = 11033947791328.

The previous prime is 11122311320969. The next prime is 11122311321083. The reversal of 11122311321031 is 13012311322111.

It is a cyclic number.

It is not a de Polignac number, because 11122311321031 - 2²³ = 11122302932423 is a prime.

It is a super-2 number, since 2×11122311321031² (a number of 27 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 = 11122311320993 and 11122311321011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122311321631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256731990 + ... + 256775308.

It is an arithmetic number, because the mean of its divisors is an integer number (700684538400).

Almost surely, 2^{11122311321031} is an apocalyptic number.

11122311321031 is a deficient number, since it is larger than the sum of its proper divisors (88641293369).

11122311321031 is a wasteful number, since it uses less digits than its factorization.

11122311321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46478.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11122311321031 its reverse (13012311322111), we get a palindrome (24134622643142).

The spelling of 11122311321031 in words is "eleven trillion, one hundred twenty-two billion, three hundred eleven million, three hundred twenty-one thousand, thirty-one".