221220100003330 has 32 divisors (see below), whose sum is σ = 419154882192000. Its totient is φ = 83830573037952.

The previous prime is 221220100003319. The next prime is 221220100003379. The reversal of 221220100003330 is 33300001022122.

It is a super-2 number, since 2×221220100003330² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 221220100003298 and 221220100003307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95295771 + ... + 97589569.

It is an arithmetic number, because the mean of its divisors is an integer number (13098590068500).

Almost surely, 2^{221220100003330} is an apocalyptic number.

221220100003330 is a deficient number, since it is larger than the sum of its proper divisors (197934782188670).

221220100003330 is a wasteful number, since it uses less digits than its factorization.

221220100003330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801418.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 221220100003330 its reverse (33300001022122), we get a palindrome (254520101025452).

The spelling of 221220100003330 in words is "two hundred twenty-one trillion, two hundred twenty billion, one hundred million, three thousand, three hundred thirty".