210101211011999 has 8 divisors (see below), whose sum is σ = 211195399582080. Its totient is φ = 209007079981056.

The previous prime is 210101211011977. The next prime is 210101211012001. The reversal of 210101211011999 is 999110112101012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210101211011999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101211011099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7053167 + ... + 21678320.

It is an arithmetic number, because the mean of its divisors is an integer number (26399424947760).

Almost surely, 2^{210101211011999} is an apocalyptic number.

210101211011999 is a deficient number, since it is larger than the sum of its proper divisors (1094188570081).

210101211011999 is a wasteful number, since it uses less digits than its factorization.

210101211011999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28769569.

The product of its (nonzero) digits is 2916, while the sum is 38.

The spelling of 210101211011999 in words is "two hundred ten trillion, one hundred one billion, two hundred eleven million, eleven thousand, nine hundred ninety-nine".