221200201011 has 8 divisors (see below), whose sum is σ = 294936146064. Its totient is φ = 147465528320.

The previous prime is 221200201009. The next prime is 221200201021. The reversal of 221200201011 is 110102002122.

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 221200201011 - 2¹ = 221200201009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221200201021) 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, 215371 + ... + 699131.

It is an arithmetic number, because the mean of its divisors is an integer number (36867018258).

Almost surely, 2^221200201011 is an apocalyptic number.

221200201011 is a deficient number, since it is larger than the sum of its proper divisors (73735945053).

221200201011 is a wasteful number, since it uses less digits than its factorization.

221200201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636181.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221200201011 its reverse (110102002122), we get a palindrome (331302203133).

The spelling of 221200201011 in words is "two hundred twenty-one billion, two hundred million, two hundred one thousand, eleven".