221112201100211 has 8 divisors (see below), whose sum is σ = 221221379047104. Its totient is φ = 221003025967360.

The previous prime is 221112201100207. The next prime is 221112201100229. The reversal of 221112201100211 is 112001102211122.

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 221112201100211 - 2² = 221112201100207 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 221112201100211.

It is not an unprimeable number, because it can be changed into a prime (221112801100211) 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, 166248401 + ... + 167573133.

It is an arithmetic number, because the mean of its divisors is an integer number (27652672380888).

Almost surely, 2^{221112201100211} is an apocalyptic number.

221112201100211 is a deficient number, since it is larger than the sum of its proper divisors (109177946893).

221112201100211 is a wasteful number, since it uses less digits than its factorization.

221112201100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407021.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221112201100211 its reverse (112001102211122), we get a palindrome (333113303311333).

The spelling of 221112201100211 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred one million, one hundred thousand, two hundred eleven".