2112321021330 has 64 divisors (see below), whose sum is σ = 5562547603200. Its totient is φ = 510145449216.

The previous prime is 2112321021263. The next prime is 2112321021337. The reversal of 2112321021330 is 331201232112.

It is a super-2 number, since 2×2112321021330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112321021297 and 2112321021306.

It is not an unprimeable number, because it can be changed into a prime (2112321021337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51075630 + ... + 51116969.

It is an arithmetic number, because the mean of its divisors is an integer number (86914806300).

Almost surely, 2^{2112321021330} is an apocalyptic number.

2112321021330 is an abundant number, since it is smaller than the sum of its proper divisors (3450226581870).

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

2112321021330 is a wasteful number, since it uses less digits than its factorization.

2112321021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102192675.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2112321021330 its reverse (331201232112), we get a palindrome (2443522253442).

The spelling of 2112321021330 in words is "two trillion, one hundred twelve billion, three hundred twenty-one million, twenty-one thousand, three hundred thirty".