2021201232330 has 32 divisors (see below), whose sum is σ = 5543866237824. Its totient is φ = 461988853056.

The previous prime is 2021201232299. The next prime is 2021201232331. The reversal of 2021201232330 is 332321021202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2021201232297 and 2021201232306.

It is not an unprimeable number, because it can be changed into a prime (2021201232331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4812383677 + ... + 4812384096.

It is an arithmetic number, because the mean of its divisors is an integer number (173245819932).

Almost surely, 2^{2021201232330} is an apocalyptic number.

2021201232330 is an abundant number, since it is smaller than the sum of its proper divisors (3522665005494).

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

2021201232330 is a wasteful number, since it uses less digits than its factorization.

2021201232330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624767790.

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

Adding to 2021201232330 its reverse (332321021202), we get a palindrome (2353522253532).

The spelling of 2021201232330 in words is "two trillion, twenty-one billion, two hundred one million, two hundred thirty-two thousand, three hundred thirty".