221201030330 has 32 divisors (see below), whose sum is σ = 455073393024. Its totient is φ = 75835141056.

The previous prime is 221201030269. The next prime is 221201030333. The reversal of 221201030330 is 33030102122.

It is a super-3 number, since 3×221201030330³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221201030299 and 221201030308.

It is not an unprimeable number, because it can be changed into a prime (221201030333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997064 + ... + 1198556.

It is an arithmetic number, because the mean of its divisors is an integer number (14221043532).

Almost surely, 2^221201030330 is an apocalyptic number.

221201030330 is an abundant number, since it is smaller than the sum of its proper divisors (233872362694).

221201030330 is a wasteful number, since it uses less digits than its factorization.

221201030330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217190.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 221201030330 its reverse (33030102122), we get a palindrome (254231132452).

The spelling of 221201030330 in words is "two hundred twenty-one billion, two hundred one million, thirty thousand, three hundred thirty".