1100201203 has 4 divisors (see below), whose sum is σ = 1101371328. Its totient is φ = 1099031080.

The previous prime is 1100201147. The next prime is 1100201269. The reversal of 1100201203 is 3021020011.

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 1100201203 - 2⁹ = 1100200691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100201203.

It is not an unprimeable number, because it can be changed into a prime (1100201293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583651 + ... + 585532.

It is an arithmetic number, because the mean of its divisors is an integer number (275342832).

Almost surely, 2^1100201203 is an apocalyptic number.

1100201203 is a deficient number, since it is larger than the sum of its proper divisors (1170125).

1100201203 is an equidigital number, since it uses as much as digits as its factorization.

1100201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170124.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1100201203 is about 33169.2810142155. The cubic root of 1100201203 is about 1032.3430503636.

Adding to 1100201203 its reverse (3021020011), we get a palindrome (4121221214).

The spelling of 1100201203 in words is "one billion, one hundred million, two hundred one thousand, two hundred three".