2001212102099 has 8 divisors (see below), whose sum is σ = 2421634812768. Its totient is φ = 1614423208320.

The previous prime is 2001212102077. The next prime is 2001212102137. The reversal of 2001212102099 is 9902012121002.

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-2001212102099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001212102009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8408454092 + ... + 8408454329.

It is an arithmetic number, because the mean of its divisors is an integer number (302704351596).

Almost surely, 2^{2001212102099} is an apocalyptic number.

2001212102099 is a deficient number, since it is larger than the sum of its proper divisors (420422710669).

2001212102099 is a wasteful number, since it uses less digits than its factorization.

2001212102099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16816908445.

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

The spelling of 2001212102099 in words is "two trillion, one billion, two hundred twelve million, one hundred two thousand, ninety-nine".