11122211099 has 4 divisors (see below), whose sum is σ = 11122817064. Its totient is φ = 11121605136.

The previous prime is 11122211071. The next prime is 11122211101. The reversal of 11122211099 is 99011222111.

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 11122211099 - 2⁸ = 11122210843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122211299) 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, 274562 + ... + 312455.

It is an arithmetic number, because the mean of its divisors is an integer number (2780704266).

Almost surely, 2^11122211099 is an apocalyptic number.

11122211099 is a deficient number, since it is larger than the sum of its proper divisors (605965).

11122211099 is an equidigital number, since it uses as much as digits as its factorization.

11122211099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605964.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 11122211099 in words is "eleven billion, one hundred twenty-two million, two hundred eleven thousand, ninety-nine".