221013330330 has 64 divisors (see below), whose sum is σ = 572061829248. Its totient is φ = 54324483840.

The previous prime is 221013330283. The next prime is 221013330337. The reversal of 221013330330 is 33033310122.

It is a junction number, because it is equal to n+sod(n) for n = 221013330297 and 221013330306.

It is not an unprimeable number, because it can be changed into a prime (221013330337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140569 + ... + 679548.

It is an arithmetic number, because the mean of its divisors is an integer number (8938466082).

Almost surely, 2^221013330330 is an apocalyptic number.

221013330330 is an abundant number, since it is smaller than the sum of its proper divisors (351048498918).

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

221013330330 is a wasteful number, since it uses less digits than its factorization.

221013330330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820831.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 221013330330 its reverse (33033310122), we get a palindrome (254046640452).

The spelling of 221013330330 in words is "two hundred twenty-one billion, thirteen million, three hundred thirty thousand, three hundred thirty".