2121300230322 has 64 divisors (see below), whose sum is σ = 5244072986880. Its totient is φ = 557062631424.

The previous prime is 2121300230321. The next prime is 2121300230341. The reversal of 2121300230322 is 2230320031212.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2121300230321) 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, 8210047 + ... + 8464482.

It is an arithmetic number, because the mean of its divisors is an integer number (81938640420).

Almost surely, 2^{2121300230322} is an apocalyptic number.

2121300230322 is an abundant number, since it is smaller than the sum of its proper divisors (3122772756558).

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

2121300230322 is a wasteful number, since it uses less digits than its factorization.

2121300230322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16674787.

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

Adding to 2121300230322 its reverse (2230320031212), we get a palindrome (4351620261534).

The spelling of 2121300230322 in words is "two trillion, one hundred twenty-one billion, three hundred million, two hundred thirty thousand, three hundred twenty-two".