221111011200199 has 4 divisors (see below), whose sum is σ = 224225250794640. Its totient is φ = 217996771605760.

The previous prime is 221111011200181. The next prime is 221111011200203. The reversal of 221111011200199 is 991002110111122.

221111011200199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221111011200199 - 2¹⁷ = 221111011069127 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 221111011200199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221111011200179) 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, 1557119797114 + ... + 1557119797255.

It is an arithmetic number, because the mean of its divisors is an integer number (56056312698660).

Almost surely, 2^{221111011200199} is an apocalyptic number.

221111011200199 is a deficient number, since it is larger than the sum of its proper divisors (3114239594441).

221111011200199 is an equidigital number, since it uses as much as digits as its factorization.

221111011200199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114239594440.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 221111011200199 in words is "two hundred twenty-one trillion, one hundred eleven billion, eleven million, two hundred thousand, one hundred ninety-nine".