113111022133 has 4 divisors (see below), whose sum is σ = 113166771340. Its totient is φ = 113055272928.

The previous prime is 113111022131. The next prime is 113111022191. The reversal of 113111022133 is 331220111311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112343621329 + 767400804 = 335177^2 + 27702^2 .

It is a cyclic number.

It is not a de Polignac number, because 113111022133 - 2¹ = 113111022131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113111022133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111022131) 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, 27871560 + ... + 27875617.

It is an arithmetic number, because the mean of its divisors is an integer number (28291692835).

Almost surely, 2^113111022133 is an apocalyptic number.

It is an amenable number.

113111022133 is a deficient number, since it is larger than the sum of its proper divisors (55749207).

113111022133 is an equidigital number, since it uses as much as digits as its factorization.

113111022133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55749206.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113111022133 its reverse (331220111311), we get a palindrome (444331133444).

The spelling of 113111022133 in words is "one hundred thirteen billion, one hundred eleven million, twenty-two thousand, one hundred thirty-three".