1011112203 has 4 divisors (see below), whose sum is σ = 1348149608. Its totient is φ = 674074800.

The previous prime is 1011112199. The next prime is 1011112241. The reversal of 1011112203 is 3022111101.

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

It is not a de Polignac number, because 1011112203 - 2² = 1011112199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011112243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168518698 + ... + 168518703.

It is an arithmetic number, because the mean of its divisors is an integer number (337037402).

Almost surely, 2^1011112203 is an apocalyptic number.

1011112203 is a deficient number, since it is larger than the sum of its proper divisors (337037405).

1011112203 is an equidigital number, since it uses as much as digits as its factorization.

1011112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337037404.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1011112203 is about 31797.9905497187. The cubic root of 1011112203 is about 1003.6904316274.

Adding to 1011112203 its reverse (3022111101), we get a palindrome (4033223304).

The spelling of 1011112203 in words is "one billion, eleven million, one hundred twelve thousand, two hundred three".