221012020330 has 8 divisors (see below), whose sum is σ = 397821636612. Its totient is φ = 88404808128.

The previous prime is 221012020319. The next prime is 221012020351. The reversal of 221012020330 is 33020210122.

221012020330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 220987428649 + 24591681 = 470093^2 + 4959^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11050601007 + ... + 11050601026.

Almost surely, 2^221012020330 is an apocalyptic number.

221012020330 is a deficient number, since it is larger than the sum of its proper divisors (176809616282).

221012020330 is a wasteful number, since it uses less digits than its factorization.

221012020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22101202040.

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

Adding to 221012020330 its reverse (33020210122), we get a palindrome (254032230452).

The spelling of 221012020330 in words is "two hundred twenty-one billion, twelve million, twenty thousand, three hundred thirty".