113132201209 has 4 divisors (see below), whose sum is σ = 113133668004. Its totient is φ = 113130734416.

The previous prime is 113132201191. The next prime is 113132201219. The reversal of 113132201209 is 902102231311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 902102231311 = 821 ⋅1098784691.

It can be written as a sum of positive squares in 2 ways, for example, as 52933125184 + 60199076025 = 230072^2 + 245355^2 .

It is a cyclic number.

It is not a de Polignac number, because 113132201209 - 2⁹ = 113132200697 is a prime.

It is a super-2 number, since 2×113132201209² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113132201219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610882 + ... + 774235.

It is an arithmetic number, because the mean of its divisors is an integer number (28283417001).

Almost surely, 2^113132201209 is an apocalyptic number.

It is an amenable number.

113132201209 is a deficient number, since it is larger than the sum of its proper divisors (1466795).

113132201209 is an equidigital number, since it uses as much as digits as its factorization.

113132201209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466794.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 113132201209 in words is "one hundred thirteen billion, one hundred thirty-two million, two hundred one thousand, two hundred nine".