2011220022321 has 6 divisors (see below), whose sum is σ = 2905095587810. Its totient is φ = 1340813348208.

The previous prime is 2011220022311. The next prime is 2011220022359. The reversal of 2011220022321 is 1232200221102.

2011220022321 is a `hidden beast` number, since 201 + 1 + 220 + 0 + 223 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1522598052096 + 488621970225 = 1233936^2 + 699015^2 .

It is not a de Polignac number, because 2011220022321 - 2⁹ = 2011220021809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011220022294 and 2011220022303.

It is not an unprimeable number, because it can be changed into a prime (2011220022311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111734445676 + ... + 111734445693.

Almost surely, 2^{2011220022321} is an apocalyptic number.

It is an amenable number.

2011220022321 is a deficient number, since it is larger than the sum of its proper divisors (893875565489).

2011220022321 is a wasteful number, since it uses less digits than its factorization.

2011220022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223468891375 (or 223468891372 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2011220022321 its reverse (1232200221102), we get a palindrome (3243420243423).

The spelling of 2011220022321 in words is "two trillion, eleven billion, two hundred twenty million, twenty-two thousand, three hundred twenty-one".