2021332221030 has 192 divisors, whose sum is σ = 5526815016960. Its totient is φ = 471605283072.

The previous prime is 2021332220989. The next prime is 2021332221031. The reversal of 2021332221030 is 301222331202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021332220988 and 2021332221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021332221031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7083699 + ... + 7363521.

It is an arithmetic number, because the mean of its divisors is an integer number (28785494880).

Almost surely, 2^{2021332221030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021332221030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2763407508480).

2021332221030 is an abundant number, since it is smaller than the sum of its proper divisors (3505482795930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021332221030 is a wasteful number, since it uses less digits than its factorization.

2021332221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279923 (or 279904 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2021332221030 its reverse (301222331202), we get a palindrome (2322554552232).

The spelling of 2021332221030 in words is "two trillion, twenty-one billion, three hundred thirty-two million, two hundred twenty-one thousand, thirty".