113220120203 has 4 divisors (see below), whose sum is σ = 113221193520. Its totient is φ = 113219046888.

The previous prime is 113220120187. The next prime is 113220120217. The reversal of 113220120203 is 302021022311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113220120203 - 2⁴ = 113220120187 is a prime.

It is a super-2 number, since 2×113220120203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113220125203) 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, 358775 + ... + 595952.

It is an arithmetic number, because the mean of its divisors is an integer number (28305298380).

Almost surely, 2^113220120203 is an apocalyptic number.

113220120203 is a deficient number, since it is larger than the sum of its proper divisors (1073317).

113220120203 is an equidigital number, since it uses as much as digits as its factorization.

113220120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073316.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 113220120203 its reverse (302021022311), we get a palindrome (415241142514).

The spelling of 113220120203 in words is "one hundred thirteen billion, two hundred twenty million, one hundred twenty thousand, two hundred three".