221114432358660 has 24 divisors (see below), whose sum is σ = 619120410604416. Its totient is φ = 58963848628960.

The previous prime is 221114432358649. The next prime is 221114432358661. The reversal of 221114432358660 is 66853234411122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221114432358661) 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, 1842620269596 + ... + 1842620269715.

It is an arithmetic number, because the mean of its divisors is an integer number (25796683775184).

Almost surely, 2^{221114432358660} is an apocalyptic number.

221114432358660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221114432358660 is an abundant number, since it is smaller than the sum of its proper divisors (398005978245756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221114432358660 is a wasteful number, since it uses less digits than its factorization.

221114432358660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685240539323 (or 3685240539321 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

Adding to 221114432358660 its reverse (66853234411122), we get a palindrome (287967666769782).

The spelling of 221114432358660 in words is "two hundred twenty-one trillion, one hundred fourteen billion, four hundred thirty-two million, three hundred fifty-eight thousand, six hundred sixty".