2102201201099 has 4 divisors (see below), whose sum is σ = 2102204104320. Its totient is φ = 2102198297880.

The previous prime is 2102201201041. The next prime is 2102201201117. The reversal of 2102201201099 is 9901021022012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2102201201099 - 2⁸ = 2102201200843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102201201699) 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, 620054 + ... + 2142164.

It is an arithmetic number, because the mean of its divisors is an integer number (525551026080).

Almost surely, 2^{2102201201099} is an apocalyptic number.

2102201201099 is a deficient number, since it is larger than the sum of its proper divisors (2903221).

2102201201099 is a wasteful number, since it uses less digits than its factorization.

2102201201099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903220.

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

The spelling of 2102201201099 in words is "two trillion, one hundred two billion, two hundred one million, two hundred one thousand, ninety-nine".