221000201212199 has 4 divisors (see below), whose sum is σ = 223662854238936. Its totient is φ = 218337548185464.

The previous prime is 221000201212117. The next prime is 221000201212207. The reversal of 221000201212199 is 991212102000122.

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 221000201212199 - 2³² = 220995906244903 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 (221000201212699) 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, 1331326513244 + ... + 1331326513409.

It is an arithmetic number, because the mean of its divisors is an integer number (55915713559734).

Almost surely, 2^{221000201212199} is an apocalyptic number.

221000201212199 is a deficient number, since it is larger than the sum of its proper divisors (2662653026737).

221000201212199 is an equidigital number, since it uses as much as digits as its factorization.

221000201212199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662653026736.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 221000201212199 in words is "two hundred twenty-one trillion, two hundred one million, two hundred twelve thousand, one hundred ninety-nine".