20100212102099 has 4 divisors (see below), whose sum is σ = 20100666090960. Its totient is φ = 20099758113240.

The previous prime is 20100212102017. The next prime is 20100212102167. The reversal of 20100212102099 is 99020121200102.

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 20100212102099 - 2³² = 20095917134803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100212002099) 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, 226928012 + ... + 227016569.

It is an arithmetic number, because the mean of its divisors is an integer number (5025166522740).

Almost surely, 2^{20100212102099} is an apocalyptic number.

20100212102099 is a deficient number, since it is larger than the sum of its proper divisors (453988861).

20100212102099 is an equidigital number, since it uses as much as digits as its factorization.

20100212102099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453988860.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 20100212102099 in words is "twenty trillion, one hundred billion, two hundred twelve million, one hundred two thousand, ninety-nine".