221100001199 has 24 divisors (see below), whose sum is σ = 282217041792. Its totient is φ = 168278962320.

The previous prime is 221100001183. The next prime is 221100001207. The reversal of 221100001199 is 991100001122.

It is not a de Polignac number, because 221100001199 - 2⁴ = 221100001183 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221100007199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634109 + ... + 918854.

It is an arithmetic number, because the mean of its divisors is an integer number (11759043408).

Almost surely, 2^221100001199 is an apocalyptic number.

221100001199 is a deficient number, since it is larger than the sum of its proper divisors (61117040593).

221100001199 is a wasteful number, since it uses less digits than its factorization.

221100001199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553067 (or 1553024 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 221100001199 in words is "two hundred twenty-one billion, one hundred million, one thousand, one hundred ninety-nine".