2121112302330 has 96 divisors (see below), whose sum is σ = 5958129973824. Its totient is φ = 481851224064.

The previous prime is 2121112302301. The next prime is 2121112302367. The reversal of 2121112302330 is 332032111212.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2121112302297 and 2121112302306.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4186567 + ... + 4665786.

It is an arithmetic number, because the mean of its divisors is an integer number (62063853894).

Almost surely, 2^{2121112302330} is an apocalyptic number.

2121112302330 is an abundant number, since it is smaller than the sum of its proper divisors (3837017671494).

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

2121112302330 is a wasteful number, since it uses less digits than its factorization.

2121112302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852540 (or 8852533 counting only the distinct ones).

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

Adding to 2121112302330 its reverse (332032111212), we get a palindrome (2453144413542).

The spelling of 2121112302330 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, three hundred two thousand, three hundred thirty".