1111233011331 has 4 divisors (see below), whose sum is σ = 1481644015112. Its totient is φ = 740822007552.

The previous prime is 1111233011327. The next prime is 1111233011377. The reversal of 1111233011331 is 1331103321111.

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

It is not a de Polignac number, because 1111233011331 - 2² = 1111233011327 is a prime.

It is a super-3 number, since 3×1111233011331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111233011298 and 1111233011307.

It is not an unprimeable number, because it can be changed into a prime (1111233011131) 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, 185205501886 + ... + 185205501891.

It is an arithmetic number, because the mean of its divisors is an integer number (370411003778).

Almost surely, 2^{1111233011331} is an apocalyptic number.

1111233011331 is a deficient number, since it is larger than the sum of its proper divisors (370411003781).

1111233011331 is an equidigital number, since it uses as much as digits as its factorization.

1111233011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370411003780.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1111233011331 its reverse (1331103321111), we get a palindrome (2442336332442).

The spelling of 1111233011331 in words is "one trillion, one hundred eleven billion, two hundred thirty-three million, eleven thousand, three hundred thirty-one".