212101202099993 has 2 divisors, whose sum is σ = 212101202099994. Its totient is φ = 212101202099992.

The previous prime is 212101202099987. The next prime is 212101202100023. The reversal of 212101202099993 is 399990202101212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157628728080784 + 54472474019209 = 12555028^2 + 7380547^2 .

It is a cyclic number.

It is not a de Polignac number, because 212101202099993 - 2⁶ = 212101202099929 is a prime.

It is not a weakly prime, because it can be changed into another prime (212101202092993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050601049996 + 106050601049997.

It is an arithmetic number, because the mean of its divisors is an integer number (106050601049997).

Almost surely, 2^{212101202099993} is an apocalyptic number.

It is an amenable number.

212101202099993 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101202099993 is an equidigital number, since it uses as much as digits as its factorization.

212101202099993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 212101202099993 in words is "two hundred twelve trillion, one hundred one billion, two hundred two million, ninety-nine thousand, nine hundred ninety-three".