2211011221099 has 2 divisors, whose sum is σ = 2211011221100. Its totient is φ = 2211011221098.

The previous prime is 2211011221091. The next prime is 2211011221129. The reversal of 2211011221099 is 9901221101122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211011221099 - 2³ = 2211011221091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211011221099.

It is not a weakly prime, because it can be changed into another prime (2211011221091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105505610549 + 1105505610550.

It is an arithmetic number, because the mean of its divisors is an integer number (1105505610550).

Almost surely, 2^{2211011221099} is an apocalyptic number.

2211011221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211011221099 is an equidigital number, since it uses as much as digits as its factorization.

2211011221099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 2211011221099 in words is "two trillion, two hundred eleven billion, eleven million, two hundred twenty-one thousand, ninety-nine".