1113312209091 has 16 divisors (see below), whose sum is σ = 1486490227200. Its totient is φ = 741171774368.

The previous prime is 1113312209089. The next prime is 1113312209099. The reversal of 1113312209091 is 1909022133111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1113312209091 - 2¹ = 1113312209089 is a prime.

It is a super-2 number, since 2×1113312209091² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113312209099) 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, 7406065 + ... + 7554893.

It is an arithmetic number, because the mean of its divisors is an integer number (92905639200).

Almost surely, 2^{1113312209091} is an apocalyptic number.

1113312209091 is a deficient number, since it is larger than the sum of its proper divisors (373178018109).

1113312209091 is a wasteful number, since it uses less digits than its factorization.

1113312209091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152298.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 1113312209091 in words is "one trillion, one hundred thirteen billion, three hundred twelve million, two hundred nine thousand, ninety-one".