221001320230 has 8 divisors (see below), whose sum is σ = 397802376432. Its totient is φ = 88400528088.

The previous prime is 221001320209. The next prime is 221001320231. The reversal of 221001320230 is 32023100122.

221001320230 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 super-3 number, since 3×221001320230³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221001320231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11050066002 + ... + 11050066021.

It is an arithmetic number, because the mean of its divisors is an integer number (49725297054).

Almost surely, 2^221001320230 is an apocalyptic number.

221001320230 is a deficient number, since it is larger than the sum of its proper divisors (176801056202).

221001320230 is a wasteful number, since it uses less digits than its factorization.

221001320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22100132030.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 221001320230 its reverse (32023100122), we get a palindrome (253024420352).

The spelling of 221001320230 in words is "two hundred twenty-one billion, one million, three hundred twenty thousand, two hundred thirty".