4021221012330 has 64 divisors (see below), whose sum is σ = 10283719253760. Its totient is φ = 1002819277824.

The previous prime is 4021221012323. The next prime is 4021221012377. The reversal of 4021221012330 is 332101221204.

4021221012330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4021221012297 and 4021221012306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25030590 + ... + 25190729.

It is an arithmetic number, because the mean of its divisors is an integer number (160683113340).

Almost surely, 2^{4021221012330} is an apocalyptic number.

4021221012330 is an abundant number, since it is smaller than the sum of its proper divisors (6262498241430).

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

4021221012330 is a wasteful number, since it uses less digits than its factorization.

4021221012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50221503.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 4021221012330 its reverse (332101221204), we get a palindrome (4353322233534).

The spelling of 4021221012330 in words is "four trillion, twenty-one billion, two hundred twenty-one million, twelve thousand, three hundred thirty".