201221011002199 has 4 divisors (see below), whose sum is σ = 206128840538880. Its totient is φ = 196313181465520.

The previous prime is 201221011002191. The next prime is 201221011002203. The reversal of 201221011002199 is 991200110122102.

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 201221011002199 - 2³ = 201221011002191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201221011002199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201221011002191) 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, 2453914768279 + ... + 2453914768360.

It is an arithmetic number, because the mean of its divisors is an integer number (51532210134720).

Almost surely, 2^{201221011002199} is an apocalyptic number.

201221011002199 is a deficient number, since it is larger than the sum of its proper divisors (4907829536681).

201221011002199 is an equidigital number, since it uses as much as digits as its factorization.

201221011002199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907829536680.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 201221011002199 in words is "two hundred one trillion, two hundred twenty-one billion, eleven million, two thousand, one hundred ninety-nine".