1100212099 has 4 divisors (see below), whose sum is σ = 1257385264. Its totient is φ = 943038936.

The previous prime is 1100212097. The next prime is 1100212129. The reversal of 1100212099 is 9902120011.

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

It is not a de Polignac number, because 1100212099 - 2¹ = 1100212097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100212093) 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, 78586572 + ... + 78586585.

It is an arithmetic number, because the mean of its divisors is an integer number (314346316).

Almost surely, 2^1100212099 is an apocalyptic number.

1100212099 is a deficient number, since it is larger than the sum of its proper divisors (157173165).

1100212099 is an equidigital number, since it uses as much as digits as its factorization.

1100212099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157173164.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1100212099 is about 33169.4452621686. The cubic root of 1100212099 is about 1032.3464583380.

The spelling of 1100212099 in words is "one billion, one hundred million, two hundred twelve thousand, ninety-nine".