201122221120999 has 2 divisors, whose sum is σ = 201122221121000. Its totient is φ = 201122221120998.

The previous prime is 201122221120979. The next prime is 201122221121021. The reversal of 201122221120999 is 999021122221102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201122221120999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122221120969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561110560499 + 100561110560500.

It is an arithmetic number, because the mean of its divisors is an integer number (100561110560500).

Almost surely, 2^{201122221120999} is an apocalyptic number.

201122221120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122221120999 is an equidigital number, since it uses as much as digits as its factorization.

201122221120999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 201122221120999 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, nine hundred ninety-nine".