21220330113230 has 32 divisors (see below), whose sum is σ = 38509182176256. Its totient is φ = 8418709119744.

The previous prime is 21220330113221. The next prime is 21220330113289. The reversal of 21220330113230 is 3231103302212.

It is a super-2 number, since 2×21220330113230² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21220330113196 and 21220330113205.

It is a congruent number.

It is an unprimeable number.

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, 1571312 + ... + 6701468.

It is an arithmetic number, because the mean of its divisors is an integer number (1203411943008).

Almost surely, 2^{21220330113230} is an apocalyptic number.

21220330113230 is a deficient number, since it is larger than the sum of its proper divisors (17288852063026).

21220330113230 is a wasteful number, since it uses less digits than its factorization.

21220330113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133548.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21220330113230 its reverse (3231103302212), we get a palindrome (24451433415442).

The spelling of 21220330113230 in words is "twenty-one trillion, two hundred twenty billion, three hundred thirty million, one hundred thirteen thousand, two hundred thirty".