2231021321030 has 16 divisors (see below), whose sum is σ = 4021805460384. Its totient is φ = 891082510080.

The previous prime is 2231021320967. The next prime is 2231021321059. The reversal of 2231021321030 is 301231201322.

It is a super-3 number, since 3×2231021321030³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231021320993 and 2231021321011.

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 7 ways as a sum of consecutive naturals, for example, 165745226 + ... + 165758685.

It is an arithmetic number, because the mean of its divisors is an integer number (251362841274).

Almost surely, 2^{2231021321030} is an apocalyptic number.

2231021321030 is a deficient number, since it is larger than the sum of its proper divisors (1790784139354).

2231021321030 is a wasteful number, since it uses less digits than its factorization.

2231021321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331504591.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2231021321030 its reverse (301231201322), we get a palindrome (2532252522352).

The spelling of 2231021321030 in words is "two trillion, two hundred thirty-one billion, twenty-one million, three hundred twenty-one thousand, thirty".