2221120030320 has 120 divisors (see below), whose sum is σ = 7461786071376. Its totient is φ = 592098207744.

The previous prime is 2221120030301. The next prime is 2221120030387. The reversal of 2221120030320 is 230300211222.

2221120030320 is a `hidden beast` number, since 2 + 221 + 120 + 0 + 3 + 0 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2221120030293 and 2221120030302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1612792 + ... + 2653928.

Almost surely, 2^{2221120030320} is an apocalyptic number.

2221120030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221120030320 is an abundant number, since it is smaller than the sum of its proper divisors (5240666041056).

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

2221120030320 is a wasteful number, since it uses less digits than its factorization.

2221120030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044119 (or 1044110 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2221120030320 its reverse (230300211222), we get a palindrome (2451420241542).

The spelling of 2221120030320 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, thirty thousand, three hundred twenty".