221200120201 has 8 divisors (see below), whose sum is σ = 225776043360. Its totient is φ = 216670653408.

The previous prime is 221200120151. The next prime is 221200120241. The reversal of 221200120201 is 102021002122.

It is a happy number.

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 221200120201 - 2³³ = 212610185609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221200120241) 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, 11604471 + ... + 11623516.

It is an arithmetic number, because the mean of its divisors is an integer number (28222005420).

Almost surely, 2^221200120201 is an apocalyptic number.

It is an amenable number.

221200120201 is a deficient number, since it is larger than the sum of its proper divisors (4575923159).

221200120201 is a wasteful number, since it uses less digits than its factorization.

221200120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23228183.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221200120201 its reverse (102021002122), we get a palindrome (323221122323).

The spelling of 221200120201 in words is "two hundred twenty-one billion, two hundred million, one hundred twenty thousand, two hundred one".