211002100000999 has 2 divisors, whose sum is σ = 211002100001000. Its totient is φ = 211002100000998.

The previous prime is 211002100000973. The next prime is 211002100001023. The reversal of 211002100000999 is 999000001200112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211002100000999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211002100000099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105501050000499 + 105501050000500.

It is an arithmetic number, because the mean of its divisors is an integer number (105501050000500).

Almost surely, 2^{211002100000999} is an apocalyptic number.

211002100000999 is a deficient number, since it is larger than the sum of its proper divisors (1).

211002100000999 is an equidigital number, since it uses as much as digits as its factorization.

211002100000999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

It can be divided in two parts, 211002 and 100000999, that added together give a palindrome (100212001).

The spelling of 211002100000999 in words is "two hundred eleven trillion, two billion, one hundred million, nine hundred ninety-nine", and thus it is an aban number.