113011211203 has 4 divisors (see below), whose sum is σ = 123284957688. Its totient is φ = 102737464720.

The previous prime is 113011211189. The next prime is 113011211207. The reversal of 113011211203 is 302112110311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302112110311 = 11 ⋅27464737301.

It is a de Polignac number, because none of the positive numbers 2^k-113011211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113011211207) 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, 5136873226 + ... + 5136873247.

It is an arithmetic number, because the mean of its divisors is an integer number (30821239422).

Almost surely, 2^113011211203 is an apocalyptic number.

113011211203 is a deficient number, since it is larger than the sum of its proper divisors (10273746485).

113011211203 is a wasteful number, since it uses less digits than its factorization.

113011211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273746484.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 113011211203 its reverse (302112110311), we get a palindrome (415123321514).

The spelling of 113011211203 in words is "one hundred thirteen billion, eleven million, two hundred eleven thousand, two hundred three".