2100000911 has 2 divisors, whose sum is σ = 2100000912. Its totient is φ = 2100000910.

The previous prime is 2100000907. The next prime is 2100000919. The reversal of 2100000911 is 1190000012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100000911 - 2² = 2100000907 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100000919) 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, 1050000455 + 1050000456.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000456).

Almost surely, 2^2100000911 is an apocalyptic number.

2100000911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100000911 is an equidigital number, since it uses as much as digits as its factorization.

2100000911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2100000911 is about 45825.7668893822. The cubic root of 2100000911 is about 1280.5793501633.

Adding to 2100000911 its reverse (1190000012), we get a palindrome (3290000923).

The spelling of 2100000911 in words is "two billion, one hundred million, nine hundred eleven", and thus it is an aban number.