221102001199 has 4 divisors (see below), whose sum is σ = 221106212536. Its totient is φ = 221097789864.

The previous prime is 221102001191. The next prime is 221102001209. The reversal of 221102001199 is 991100201122.

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 221102001199 - 2³ = 221102001191 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 (221102001191) 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, 2025909 + ... + 2132254.

It is an arithmetic number, because the mean of its divisors is an integer number (55276553134).

Almost surely, 2^221102001199 is an apocalyptic number.

221102001199 is a deficient number, since it is larger than the sum of its proper divisors (4211337).

221102001199 is an equidigital number, since it uses as much as digits as its factorization.

221102001199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211336.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 221102001199 in words is "two hundred twenty-one billion, one hundred two million, one thousand, one hundred ninety-nine".