113220203 has 2 divisors, whose sum is σ = 113220204. Its totient is φ = 113220202.

The previous prime is 113220199. The next prime is 113220223. The reversal of 113220203 is 302022311.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (302022311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113220203 - 2² = 113220199 is a prime.

It is a super-2 number, since 2×113220203² = 25637628734722418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113220223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610101 + 56610102.

It is an arithmetic number, because the mean of its divisors is an integer number (56610102).

Almost surely, 2^113220203 is an apocalyptic number.

113220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

113220203 is an equidigital number, since it uses as much as digits as its factorization.

113220203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 113220203 is about 10640.4982496122. The cubic root of 113220203 is about 483.7726475296.

Adding to 113220203 its reverse (302022311), we get a palindrome (415242514).

The spelling of 113220203 in words is "one hundred thirteen million, two hundred twenty thousand, two hundred three".