2212121099 has 2 divisors, whose sum is σ = 2212121100. Its totient is φ = 2212121098.

The previous prime is 2212121083. The next prime is 2212121137. The reversal of 2212121099 is 9901212122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212121099 - 2⁴ = 2212121083 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212121029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106060549 + 1106060550.

It is an arithmetic number, because the mean of its divisors is an integer number (1106060550).

Almost surely, 2^2212121099 is an apocalyptic number.

2212121099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212121099 is an equidigital number, since it uses as much as digits as its factorization.

2212121099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2212121099 is about 47033.1914609247. The cubic root of 2212121099 is about 1302.9756489456.

The spelling of 2212121099 in words is "two billion, two hundred twelve million, one hundred twenty-one thousand, ninety-nine".