1113322212131 has 4 divisors (see below), whose sum is σ = 1113690987000. Its totient is φ = 1112953437264.

The previous prime is 1113322212083. The next prime is 1113322212139. The reversal of 1113322212131 is 1312122233111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1113322212131 - 2²⁶ = 1113255103267 is a prime.

It is a super-2 number, since 2×1113322212131² (a number of 25 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 = 1113322212097 and 1113322212106.

It is not an unprimeable number, because it can be changed into a prime (1113322212139) 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 3 ways as a sum of consecutive naturals, for example, 184382906 + ... + 184388943.

It is an arithmetic number, because the mean of its divisors is an integer number (278422746750).

Almost surely, 2^{1113322212131} is an apocalyptic number.

1113322212131 is a deficient number, since it is larger than the sum of its proper divisors (368774869).

1113322212131 is an equidigital number, since it uses as much as digits as its factorization.

1113322212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368774868.

The product of its digits is 432, while the sum is 23.

Adding to 1113322212131 its reverse (1312122233111), we get a palindrome (2425444445242).

The spelling of 1113322212131 in words is "one trillion, one hundred thirteen billion, three hundred twenty-two million, two hundred twelve thousand, one hundred thirty-one".