221002220201 has 8 divisors (see below), whose sum is σ = 252669406080. Its totient is φ = 189358894368.

The previous prime is 221002220191. The next prime is 221002220269. The reversal of 221002220201 is 102022200122.

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

It is not a de Polignac number, because 221002220201 - 2⁶ = 221002220137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221002220281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5945156 + ... + 5982213.

It is an arithmetic number, because the mean of its divisors is an integer number (31583675760).

Almost surely, 2^221002220201 is an apocalyptic number.

It is an amenable number.

221002220201 is a deficient number, since it is larger than the sum of its proper divisors (31667185879).

221002220201 is a wasteful number, since it uses less digits than its factorization.

221002220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930023.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221002220201 its reverse (102022200122), we get a palindrome (323024420323).

The spelling of 221002220201 in words is "two hundred twenty-one billion, two million, two hundred twenty thousand, two hundred one".