113000021203 has 4 divisors (see below), whose sum is σ = 118947390760. Its totient is φ = 107052651648.

The previous prime is 113000021171. The next prime is 113000021209. The reversal of 113000021203 is 302120000311.

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

It is a cyclic number.

It is not a de Polignac number, because 113000021203 - 2⁵ = 113000021171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113000021209) 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, 2973684750 + ... + 2973684787.

It is an arithmetic number, because the mean of its divisors is an integer number (29736847690).

Almost surely, 2^113000021203 is an apocalyptic number.

113000021203 is a deficient number, since it is larger than the sum of its proper divisors (5947369557).

113000021203 is an equidigital number, since it uses as much as digits as its factorization.

113000021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947369556.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 113000021203 its reverse (302120000311), we get a palindrome (415120021514).

The spelling of 113000021203 in words is "one hundred thirteen billion, twenty-one thousand, two hundred three".