113121122203 has 8 divisors (see below), whose sum is σ = 124982928288. Its totient is φ = 101837940864.

The previous prime is 113121122171. The next prime is 113121122207. The reversal of 113121122203 is 302221121311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113121122203 - 2⁵ = 113121122171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113121122207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144655776 + ... + 144656557.

It is an arithmetic number, because the mean of its divisors is an integer number (15622866036).

Almost surely, 2^113121122203 is an apocalyptic number.

113121122203 is a deficient number, since it is larger than the sum of its proper divisors (11861806085).

113121122203 is a wasteful number, since it uses less digits than its factorization.

113121122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289312373.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113121122203 its reverse (302221121311), we get a palindrome (415342243514).

The spelling of 113121122203 in words is "one hundred thirteen billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred three".