1001122211099 has 2 divisors, whose sum is σ = 1001122211100. Its totient is φ = 1001122211098.

The previous prime is 1001122211087. The next prime is 1001122211137. The reversal of 1001122211099 is 9901122211001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001122211099 - 2⁸ = 1001122210843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001122211039) 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, 500561105549 + 500561105550.

It is an arithmetic number, because the mean of its divisors is an integer number (500561105550).

Almost surely, 2^{1001122211099} is an apocalyptic number.

1001122211099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001122211099 is an equidigital number, since it uses as much as digits as its factorization.

1001122211099 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1001122211099 in words is "one trillion, one billion, one hundred twenty-two million, two hundred eleven thousand, ninety-nine".