1111233213311 has 16 divisors (see below), whose sum is σ = 1205432810400. Its totient is φ = 1018280706048.

The previous prime is 1111233213289. The next prime is 1111233213317. The reversal of 1111233213311 is 1133123321111.

It is a cyclic number.

It is not a de Polignac number, because 1111233213311 - 2²² = 1111229019007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111233213317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26608895 + ... + 26650623.

It is an arithmetic number, because the mean of its divisors is an integer number (75339550650).

Almost surely, 2^{1111233213311} is an apocalyptic number.

1111233213311 is a deficient number, since it is larger than the sum of its proper divisors (94199597089).

1111233213311 is a wasteful number, since it uses less digits than its factorization.

1111233213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56618.

The product of its digits is 324, while the sum is 23.

Adding to 1111233213311 its reverse (1133123321111), we get a palindrome (2244356534422).

The spelling of 1111233213311 in words is "one trillion, one hundred eleven billion, two hundred thirty-three million, two hundred thirteen thousand, three hundred eleven".