211002001019911 has 2 divisors, whose sum is σ = 211002001019912. Its totient is φ = 211002001019910.

The previous prime is 211002001019899. The next prime is 211002001020029. The reversal of 211002001019911 is 119910100200112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211002001019911 - 2⁷ = 211002001019783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211002001019911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211002001089911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105501000509955 + 105501000509956.

It is an arithmetic number, because the mean of its divisors is an integer number (105501000509956).

Almost surely, 2^{211002001019911} is an apocalyptic number.

211002001019911 is a deficient number, since it is larger than the sum of its proper divisors (1).

211002001019911 is an equidigital number, since it uses as much as digits as its factorization.

211002001019911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 211002001019911 in words is "two hundred eleven trillion, two billion, one million, nineteen thousand, nine hundred eleven".