221201200232 has 16 divisors (see below), whose sum is σ = 414908036640. Its totient is φ = 110559057136.

The previous prime is 221201200223. The next prime is 221201200271. The reversal of 221201200232 is 232002102122.

It is a self number, because there is not a number n which added to its sum of digits gives 221201200232.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5170238 + ... + 5212845.

It is an arithmetic number, because the mean of its divisors is an integer number (25931752290).

Almost surely, 2^221201200232 is an apocalyptic number.

It is an amenable number.

221201200232 is a deficient number, since it is larger than the sum of its proper divisors (193706836408).

221201200232 is a wasteful number, since it uses less digits than its factorization.

221201200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10385752 (or 10385748 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221201200232 its reverse (232002102122), we get a palindrome (453203302354).

The spelling of 221201200232 in words is "two hundred twenty-one billion, two hundred one million, two hundred thousand, two hundred thirty-two".