2221120212330 has 64 divisors (see below), whose sum is σ = 5365718443008. Its totient is φ = 588415457280.

The previous prime is 2221120212323. The next prime is 2221120212349. The reversal of 2221120212330 is 332120211222.

It is a junction number, because it is equal to n+sod(n) for n = 2221120212297 and 2221120212306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3698215 + ... + 4256645.

It is an arithmetic number, because the mean of its divisors is an integer number (83839350672).

Almost surely, 2^{2221120212330} is an apocalyptic number.

2221120212330 is an abundant number, since it is smaller than the sum of its proper divisors (3144598230678).

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

2221120212330 is a wasteful number, since it uses less digits than its factorization.

2221120212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559311.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2221120212330 its reverse (332120211222), we get a palindrome (2553240423552).

The spelling of 2221120212330 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twelve thousand, three hundred thirty".