2220213310321 has 4 divisors (see below), whose sum is σ = 2234354796532. Its totient is φ = 2206071824112.

The previous prime is 2220213310319. The next prime is 2220213310333. The reversal of 2220213310321 is 1230133120222.

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 1391456160000 + 828757150321 = 1179600^2 + 910361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220213310321 - 2¹ = 2220213310319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220213310292 and 2220213310301.

It is not an unprimeable number, because it can be changed into a prime (2220213310121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7070742870 + ... + 7070743183.

It is an arithmetic number, because the mean of its divisors is an integer number (558588699133).

Almost surely, 2^{2220213310321} is an apocalyptic number.

It is an amenable number.

2220213310321 is a deficient number, since it is larger than the sum of its proper divisors (14141486211).

2220213310321 is a wasteful number, since it uses less digits than its factorization.

2220213310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14141486210.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2220213310321 its reverse (1230133120222), we get a palindrome (3450346430543).

The spelling of 2220213310321 in words is "two trillion, two hundred twenty billion, two hundred thirteen million, three hundred ten thousand, three hundred twenty-one".