212211133361999 has 2 divisors, whose sum is σ = 212211133362000. Its totient is φ = 212211133361998.

The previous prime is 212211133361993. The next prime is 212211133362101. The reversal of 212211133361999 is 999163331112212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212211133361999 - 2⁸ = 212211133361743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212211133361999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212211133361993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105566680999 + 106105566681000.

It is an arithmetic number, because the mean of its divisors is an integer number (106105566681000).

Almost surely, 2^{212211133361999} is an apocalyptic number.

212211133361999 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211133361999 is an equidigital number, since it uses as much as digits as its factorization.

212211133361999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 53.

The spelling of 212211133361999 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred thirty-three million, three hundred sixty-one thousand, nine hundred ninety-nine".