1121123112331 has 4 divisors (see below), whose sum is σ = 1121300595792. Its totient is φ = 1120945628872.

The previous prime is 1121123112293. The next prime is 1121123112377. The reversal of 1121123112331 is 1332113211211.

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 1121123112331 - 2⁷ = 1121123112203 is a prime.

It is a super-2 number, since 2×1121123112331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121123116331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88732255 + ... + 88744888.

It is an arithmetic number, because the mean of its divisors is an integer number (280325148948).

Almost surely, 2^{1121123112331} is an apocalyptic number.

1121123112331 is a deficient number, since it is larger than the sum of its proper divisors (177483461).

1121123112331 is an equidigital number, since it uses as much as digits as its factorization.

1121123112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177483460.

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

Adding to 1121123112331 its reverse (1332113211211), we get a palindrome (2453236323542).

The spelling of 1121123112331 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, one hundred twelve thousand, three hundred thirty-one".