11121313311 has 8 divisors (see below), whose sum is σ = 16476019760. Its totient is φ = 7414208856.

The previous prime is 11121313309. The next prime is 11121313319. The reversal of 11121313311 is 11331312111.

It is not a de Polignac number, because 11121313311 - 2¹ = 11121313309 is a prime.

It is a super-2 number, since 2×11121313311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121313319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205950220 + ... + 205950273.

It is an arithmetic number, because the mean of its divisors is an integer number (2059502470).

Almost surely, 2^11121313311 is an apocalyptic number.

11121313311 is a deficient number, since it is larger than the sum of its proper divisors (5354706449).

11121313311 is an equidigital number, since it uses as much as digits as its factorization.

11121313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411900502 (or 411900496 counting only the distinct ones).

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

Adding to 11121313311 its reverse (11331312111), we get a palindrome (22452625422).

The spelling of 11121313311 in words is "eleven billion, one hundred twenty-one million, three hundred thirteen thousand, three hundred eleven".