311113121099 has 12 divisors (see below), whose sum is σ = 341990493768. Its totient is φ = 282810939840.

The previous prime is 311113121089. The next prime is 311113121147. The reversal of 311113121099 is 990121311113.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-311113121099 is a prime.

It is a super-2 number, since 2×311113121099² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311113121009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1890032 + ... + 2048034.

It is an arithmetic number, because the mean of its divisors is an integer number (28499207814).

Almost surely, 2^311113121099 is an apocalyptic number.

311113121099 is a deficient number, since it is larger than the sum of its proper divisors (30877372669).

311113121099 is a wasteful number, since it uses less digits than its factorization.

311113121099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174298 (or 174287 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 311113121099 in words is "three hundred eleven billion, one hundred thirteen million, one hundred twenty-one thousand, ninety-nine".