2211211099 has 16 divisors (see below), whose sum is σ = 2356276032. Its totient is φ = 2070655488.

The previous prime is 2211211081. The next prime is 2211211103. The reversal of 2211211099 is 9901121122.

It is a cyclic number.

It is not a de Polignac number, because 2211211099 - 2⁷ = 2211210971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211211069) 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 15 ways as a sum of consecutive naturals, for example, 225217 + ... + 234829.

It is an arithmetic number, because the mean of its divisors is an integer number (147267252).

Almost surely, 2^2211211099 is an apocalyptic number.

2211211099 is a deficient number, since it is larger than the sum of its proper divisors (145064933).

2211211099 is a wasteful number, since it uses less digits than its factorization.

2211211099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9846.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 2211211099 is about 47023.5164465611. The cubic root of 2211211099 is about 1302.7969561265.

The spelling of 2211211099 in words is "two billion, two hundred eleven million, two hundred eleven thousand, ninety-nine".