133111201109 has 4 divisors (see below), whose sum is σ = 134127317280. Its totient is φ = 132095084940.

The previous prime is 133111201021. The next prime is 133111201117. The reversal of 133111201109 is 901102111331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901102111331 = 317263 ⋅2840237.

It is a cyclic number.

It is not a de Polignac number, because 133111201109 - 2²⁰ = 133110152533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111201709) 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, 508057889 + ... + 508058150.

It is an arithmetic number, because the mean of its divisors is an integer number (33531829320).

Almost surely, 2^133111201109 is an apocalyptic number.

It is an amenable number.

133111201109 is a deficient number, since it is larger than the sum of its proper divisors (1016116171).

133111201109 is a wasteful number, since it uses less digits than its factorization.

133111201109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016116170.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 133111201109 in words is "one hundred thirty-three billion, one hundred eleven million, two hundred one thousand, one hundred nine".