1121100202 has 16 divisors (see below), whose sum is σ = 1730360232. Its totient is φ = 544523200.

The previous prime is 1121100193. The next prime is 1121100289. The reversal of 1121100202 is 2020011211.

It can be written as a sum of positive squares in 4 ways, for example, as 1060088481 + 61011721 = 32559^2 + 7811^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41653 + ... + 63064.

Almost surely, 2^1121100202 is an apocalyptic number.

1121100202 is a deficient number, since it is larger than the sum of its proper divisors (609260030).

1121100202 is a wasteful number, since it uses less digits than its factorization.

1121100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104873.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1121100202 is about 33482.8344379624. The cubic root of 1121100202 is about 1038.8387562520.

Adding to 1121100202 its reverse (2020011211), we get a palindrome (3141111413).

The spelling of 1121100202 in words is "one billion, one hundred twenty-one million, one hundred thousand, two hundred two".