210021011001199 has 2 divisors, whose sum is σ = 210021011001200. Its totient is φ = 210021011001198.

The previous prime is 210021011001161. The next prime is 210021011001287. The reversal of 210021011001199 is 991100110120012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210021011001199 - 2⁹ = 210021011000687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210021011001149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010505500599 + 105010505500600.

It is an arithmetic number, because the mean of its divisors is an integer number (105010505500600).

Almost surely, 2^{210021011001199} is an apocalyptic number.

210021011001199 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021011001199 is an equidigital number, since it uses as much as digits as its factorization.

210021011001199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 210021011001199 in words is "two hundred ten trillion, twenty-one billion, eleven million, one thousand, one hundred ninety-nine".