221330230110221 has 8 divisors (see below), whose sum is σ = 224450455731264. Its totient is φ = 218210085001440.

The previous prime is 221330230110163. The next prime is 221330230110247. The reversal of 221330230110221 is 122011032033122.

221330230110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221330230110221 - 2²² = 221330225915917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221330230112221) 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, 14580560 + ... + 25597913.

It is an arithmetic number, because the mean of its divisors is an integer number (28056306966408).

Almost surely, 2^{221330230110221} is an apocalyptic number.

It is an amenable number.

221330230110221 is a deficient number, since it is larger than the sum of its proper divisors (3120225621043).

221330230110221 is an equidigital number, since it uses as much as digits as its factorization.

221330230110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40256131.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221330230110221 its reverse (122011032033122), we get a palindrome (343341262143343).

The spelling of 221330230110221 in words is "two hundred twenty-one trillion, three hundred thirty billion, two hundred thirty million, one hundred ten thousand, two hundred twenty-one".