221101212200999 has 8 divisors (see below), whose sum is σ = 239534800139040. Its totient is φ = 202871310317856.

The previous prime is 221101212200971. The next prime is 221101212201007. The reversal of 221101212200999 is 999002212101122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221101212200999 - 2²⁸ = 221100943765543 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 (221101212290999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50921511464 + ... + 50921515805.

It is an arithmetic number, because the mean of its divisors is an integer number (29941850017380).

Almost surely, 2^{221101212200999} is an apocalyptic number.

221101212200999 is a deficient number, since it is larger than the sum of its proper divisors (18433587938041).

221101212200999 is a wasteful number, since it uses less digits than its factorization.

221101212200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101843027449.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 221101212200999 in words is "two hundred twenty-one trillion, one hundred one billion, two hundred twelve million, two hundred thousand, nine hundred ninety-nine".