2100212211211 has 2 divisors, whose sum is σ = 2100212211212. Its totient is φ = 2100212211210.

The previous prime is 2100212211203. The next prime is 2100212211247. The reversal of 2100212211211 is 1121122120012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100212211211 - 2³ = 2100212211203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100212211611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050106105605 + 1050106105606.

It is an arithmetic number, because the mean of its divisors is an integer number (1050106105606).

Almost surely, 2^{2100212211211} is an apocalyptic number.

2100212211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100212211211 is an equidigital number, since it uses as much as digits as its factorization.

2100212211211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2100212211211 its reverse (1121122120012), we get a palindrome (3221334331223).

The spelling of 2100212211211 in words is "two trillion, one hundred billion, two hundred twelve million, two hundred eleven thousand, two hundred eleven".