2100212201099 has 2 divisors, whose sum is σ = 2100212201100. Its totient is φ = 2100212201098.

The previous prime is 2100212201081. The next prime is 2100212201123. The reversal of 2100212201099 is 9901022120012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100212201099 - 2³² = 2095917233803 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2100212201599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050106100549 + 1050106100550.

It is an arithmetic number, because the mean of its divisors is an integer number (1050106100550).

Almost surely, 2^{2100212201099} is an apocalyptic number.

2100212201099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100212201099 is an equidigital number, since it uses as much as digits as its factorization.

2100212201099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 2100212201099 in words is "two trillion, one hundred billion, two hundred twelve million, two hundred one thousand, ninety-nine".