1122210203 has 4 divisors (see below), whose sum is σ = 1122279960. Its totient is φ = 1122140448.

The previous prime is 1122210191. The next prime is 1122210209. The reversal of 1122210203 is 3020122211.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3020122211 = 353 ⋅8555587.

It is a cyclic number.

It is not a de Polignac number, because 1122210203 - 2²⁰ = 1121161627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122210209) 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, 2876 + ... + 47462.

It is an arithmetic number, because the mean of its divisors is an integer number (280569990).

Almost surely, 2^1122210203 is an apocalyptic number.

1122210203 is a deficient number, since it is larger than the sum of its proper divisors (69757).

1122210203 is an equidigital number, since it uses as much as digits as its factorization.

1122210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69756.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1122210203 is about 33499.4060096593. The cubic root of 1122210203 is about 1039.1814944836.

Adding to 1122210203 its reverse (3020122211), we get a palindrome (4142332414).

The spelling of 1122210203 in words is "one billion, one hundred twenty-two million, two hundred ten thousand, two hundred three".