2221531321314 has 16 divisors (see below), whose sum is σ = 4636239279552. Its totient is φ = 708314334288.

The previous prime is 2221531321307. The next prime is 2221531321369. The reversal of 2221531321314 is 4131231351222.

2221531321314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8049026389 + ... + 8049026664.

It is an arithmetic number, because the mean of its divisors is an integer number (289764954972).

Almost surely, 2^{2221531321314} is an apocalyptic number.

2221531321314 is an abundant number, since it is smaller than the sum of its proper divisors (2414707958238).

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

2221531321314 is a wasteful number, since it uses less digits than its factorization.

2221531321314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16098053081.

The product of its digits is 8640, while the sum is 30.

Adding to 2221531321314 its reverse (4131231351222), we get a palindrome (6352762672536).

The spelling of 2221531321314 in words is "two trillion, two hundred twenty-one billion, five hundred thirty-one million, three hundred twenty-one thousand, three hundred fourteen".