1121120112031 has 4 divisors (see below), whose sum is σ = 1169864464752. Its totient is φ = 1072375759312.

The previous prime is 1121120112001. The next prime is 1121120112041. The reversal of 1121120112031 is 1302110211211.

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 1121120112031 - 2²⁵ = 1121086557599 is a prime.

It is a super-2 number, since 2×1121120112031² (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 = 1121120111996 and 1121120112014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121120112001) 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, 24372176326 + ... + 24372176371.

It is an arithmetic number, because the mean of its divisors is an integer number (292466116188).

Almost surely, 2^{1121120112031} is an apocalyptic number.

1121120112031 is a deficient number, since it is larger than the sum of its proper divisors (48744352721).

1121120112031 is an equidigital number, since it uses as much as digits as its factorization.

1121120112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48744352720.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1121120112031 its reverse (1302110211211), we get a palindrome (2423230323242).

The spelling of 1121120112031 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twelve thousand, thirty-one".