101210000209999 has 4 divisors (see below), whose sum is σ = 101210085398664. Its totient is φ = 101209915021336.

The previous prime is 101210000209991. The next prime is 101210000210113. The reversal of 101210000209999 is 999902000012101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101210000209999 - 2³ = 101210000209991 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 (101210000209991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40786657 + ... + 43196890.

It is an arithmetic number, because the mean of its divisors is an integer number (25302521349666).

Almost surely, 2^{101210000209999} is an apocalyptic number.

101210000209999 is a deficient number, since it is larger than the sum of its proper divisors (85188665).

101210000209999 is an equidigital number, since it uses as much as digits as its factorization.

101210000209999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85188664.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 101210000209999 in words is "one hundred one trillion, two hundred ten billion, two hundred nine thousand, nine hundred ninety-nine".