1111133212311 has 4 divisors (see below), whose sum is σ = 1481510949752. Its totient is φ = 740755474872.

The previous prime is 1111133212291. The next prime is 1111133212313. The reversal of 1111133212311 is 1132123311111.

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

It is not a de Polignac number, because 1111133212311 - 2⁷ = 1111133212183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111133212313) 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, 185188868716 + ... + 185188868721.

It is an arithmetic number, because the mean of its divisors is an integer number (370377737438).

Almost surely, 2^{1111133212311} is an apocalyptic number.

1111133212311 is a deficient number, since it is larger than the sum of its proper divisors (370377737441).

1111133212311 is an equidigital number, since it uses as much as digits as its factorization.

1111133212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370377737440.

The product of its digits is 108, while the sum is 21.

Adding to 1111133212311 its reverse (1132123311111), we get a palindrome (2243256523422).

The spelling of 1111133212311 in words is "one trillion, one hundred eleven billion, one hundred thirty-three million, two hundred twelve thousand, three hundred eleven".