1100112203 has 4 divisors (see below), whose sum is σ = 1110793008. Its totient is φ = 1089431400.

The previous prime is 1100112197. The next prime is 1100112229. The reversal of 1100112203 is 3022110011.

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 1100112203 - 2²⁰ = 1099063627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100112253) 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, 5340248 + ... + 5340453.

It is an arithmetic number, because the mean of its divisors is an integer number (277698252).

Almost surely, 2^1100112203 is an apocalyptic number.

1100112203 is a deficient number, since it is larger than the sum of its proper divisors (10680805).

1100112203 is a wasteful number, since it uses less digits than its factorization.

1100112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680804.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1100112203 is about 33167.9393842910. The cubic root of 1100112203 is about 1032.3152127254.

Adding to 1100112203 its reverse (3022110011), we get a palindrome (4122222214).

The spelling of 1100112203 in words is "one billion, one hundred million, one hundred twelve thousand, two hundred three".