2221320012301 has 4 divisors (see below), whose sum is σ = 2392190782492. Its totient is φ = 2050449242112.

The previous prime is 2221320012299. The next prime is 2221320012371. The reversal of 2221320012301 is 1032100231222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 229298280201 + 1992021732100 = 478851^2 + 1411390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221320012301 - 2¹ = 2221320012299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221320012371) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85435385076 + ... + 85435385101.

It is an arithmetic number, because the mean of its divisors is an integer number (598047695623).

Almost surely, 2^{2221320012301} is an apocalyptic number.

It is an amenable number.

2221320012301 is a deficient number, since it is larger than the sum of its proper divisors (170870770191).

2221320012301 is a wasteful number, since it uses less digits than its factorization.

2221320012301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170870770190.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2221320012301 its reverse (1032100231222), we get a palindrome (3253420243523).

The spelling of 2221320012301 in words is "two trillion, two hundred twenty-one billion, three hundred twenty million, twelve thousand, three hundred one".