1133122111311 has 4 divisors (see below), whose sum is σ = 1510829481752. Its totient is φ = 755414740872.

The previous prime is 1133122111271. The next prime is 1133122111327. The reversal of 1133122111311 is 1131112213311.

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

It is not a de Polignac number, because 1133122111311 - 2²² = 1133117917007 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 (1133122111361) 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, 188853685216 + ... + 188853685221.

It is an arithmetic number, because the mean of its divisors is an integer number (377707370438).

Almost surely, 2^{1133122111311} is an apocalyptic number.

1133122111311 is a deficient number, since it is larger than the sum of its proper divisors (377707370441).

1133122111311 is an equidigital number, since it uses as much as digits as its factorization.

1133122111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377707370440.

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

Adding to 1133122111311 its reverse (1131112213311), we get a palindrome (2264234324622).

The spelling of 1133122111311 in words is "one trillion, one hundred thirty-three billion, one hundred twenty-two million, one hundred eleven thousand, three hundred eleven".