2221322012113 has 8 divisors (see below), whose sum is σ = 2244314412648. Its totient is φ = 2198331492864.

The previous prime is 2221322012083. The next prime is 2221322012153. The reversal of 2221322012113 is 3112102231222.

It can be written as a sum of positive squares in 4 ways, for example, as 486390471889 + 1734931540224 = 697417^2 + 1317168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221322012113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221322012153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968495 + ... + 2884027.

It is an arithmetic number, because the mean of its divisors is an integer number (280539301581).

Almost surely, 2^{2221322012113} is an apocalyptic number.

It is an amenable number.

2221322012113 is a deficient number, since it is larger than the sum of its proper divisors (22992400535).

2221322012113 is an equidigital number, since it uses as much as digits as its factorization.

2221322012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940643.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2221322012113 its reverse (3112102231222), we get a palindrome (5333424243335).

The spelling of 2221322012113 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-two million, twelve thousand, one hundred thirteen".