2220300300021 has 16 divisors (see below), whose sum is σ = 2994807613824. Its totient is φ = 1463089336064.

The previous prime is 2220300300011. The next prime is 2220300300041. The reversal of 2220300300021 is 1200030030222.

It is a cyclic number.

It is not a de Polignac number, because 2220300300021 - 2⁵ = 2220300299989 is a prime.

It is a super-2 number, since 2×2220300300021² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220300300011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11496921 + ... + 11688446.

It is an arithmetic number, because the mean of its divisors is an integer number (187175475864).

Almost surely, 2^{2220300300021} is an apocalyptic number.

It is an amenable number.

2220300300021 is a deficient number, since it is larger than the sum of its proper divisors (774507313803).

2220300300021 is a wasteful number, since it uses less digits than its factorization.

2220300300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23185740.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 2220300300021 its reverse (1200030030222), we get a palindrome (3420330330243).

The spelling of 2220300300021 in words is "two trillion, two hundred twenty billion, three hundred million, three hundred thousand, twenty-one".