2221040320320 has 112 divisors (see below), whose sum is σ = 7052223607488. Its totient is φ = 592242094080.

The previous prime is 2221040320307. The next prime is 2221040320351. The reversal of 2221040320320 is 230230401222.

It is a congruent number.

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, 18690532 + ... + 18808988.

Almost surely, 2^{2221040320320} is an apocalyptic number.

2221040320320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221040320320 is an abundant number, since it is smaller than the sum of its proper divisors (4831183287168).

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

2221040320320 is a wasteful number, since it uses less digits than its factorization.

2221040320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138008 (or 137998 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2221040320320 its reverse (230230401222), we get a palindrome (2451270721542).

The spelling of 2221040320320 in words is "two trillion, two hundred twenty-one billion, forty million, three hundred twenty thousand, three hundred twenty".