221000222100201 has 8 divisors (see below), whose sum is σ = 295931627877600. Its totient is φ = 146701148861472.

The previous prime is 221000222100187. The next prime is 221000222100247. The reversal of 221000222100201 is 102001222000122.

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

It is not a de Polignac number, because 221000222100201 - 2¹⁸ = 221000221838057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221000222108201) 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, 158083133851 + ... + 158083135248.

It is an arithmetic number, because the mean of its divisors is an integer number (36991453484700).

Almost surely, 2^{221000222100201} is an apocalyptic number.

It is an amenable number.

221000222100201 is a deficient number, since it is larger than the sum of its proper divisors (74931405777399).

221000222100201 is a wasteful number, since it uses less digits than its factorization.

221000222100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316166269335.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221000222100201 its reverse (102001222000122), we get a palindrome (323001444100323).

The spelling of 221000222100201 in words is "two hundred twenty-one trillion, two hundred twenty-two million, one hundred thousand, two hundred one".