11211113313 has 32 divisors (see below), whose sum is σ = 16713446400. Its totient is φ = 7427248128.

The previous prime is 11211113299. The next prime is 11211113321. The reversal of 11211113313 is 31331111211.

It is not a de Polignac number, because 11211113313 - 2⁴ = 11211113297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11211113413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3322095 + ... + 3325467.

It is an arithmetic number, because the mean of its divisors is an integer number (522295200).

Almost surely, 2^11211113313 is an apocalyptic number.

It is an amenable number.

11211113313 is a deficient number, since it is larger than the sum of its proper divisors (5502333087).

11211113313 is a wasteful number, since it uses less digits than its factorization.

11211113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118 (or 4112 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

Adding to 11211113313 its reverse (31331111211), we get a palindrome (42542224524).

The spelling of 11211113313 in words is "eleven billion, two hundred eleven million, one hundred thirteen thousand, three hundred thirteen".