102100101210199 has 4 divisors (see below), whose sum is σ = 102119075402760. Its totient is φ = 102081127017640.

The previous prime is 102100101210193. The next prime is 102100101210203. The reversal of 102100101210199 is 991012101001201.

It is a happy number.

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 102100101210199 - 2¹⁷ = 102100101079127 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 (102100101210193) 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, 9487088209 + ... + 9487098970.

It is an arithmetic number, because the mean of its divisors is an integer number (25529768850690).

Almost surely, 2^{102100101210199} is an apocalyptic number.

102100101210199 is a deficient number, since it is larger than the sum of its proper divisors (18974192561).

102100101210199 is an equidigital number, since it uses as much as digits as its factorization.

102100101210199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18974192560.

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

The spelling of 102100101210199 in words is "one hundred two trillion, one hundred billion, one hundred one million, two hundred ten thousand, one hundred ninety-nine".