210113001221999 has 2 divisors, whose sum is σ = 210113001222000. Its totient is φ = 210113001221998.

The previous prime is 210113001221993. The next prime is 210113001222011. The reversal of 210113001221999 is 999122100311012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210113001221999 - 2²⁸ = 210112732786543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210113001221993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056500610999 + 105056500611000.

It is an arithmetic number, because the mean of its divisors is an integer number (105056500611000).

Almost surely, 2^{210113001221999} is an apocalyptic number.

210113001221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

210113001221999 is an equidigital number, since it uses as much as digits as its factorization.

210113001221999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 210113001221999 in words is "two hundred ten trillion, one hundred thirteen billion, one million, two hundred twenty-one thousand, nine hundred ninety-nine".