2001222110099 has 2 divisors, whose sum is σ = 2001222110100. Its totient is φ = 2001222110098.

The previous prime is 2001222110059. The next prime is 2001222110123. The reversal of 2001222110099 is 9900112221002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001222110099 - 2¹² = 2001222106003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001222110059) 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, 1000611055049 + 1000611055050.

It is an arithmetic number, because the mean of its divisors is an integer number (1000611055050).

Almost surely, 2^{2001222110099} is an apocalyptic number.

2001222110099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001222110099 is an equidigital number, since it uses as much as digits as its factorization.

2001222110099 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 29.

The spelling of 2001222110099 in words is "two trillion, one billion, two hundred twenty-two million, one hundred ten thousand, ninety-nine".