2321121033320 has 64 divisors (see below), whose sum is σ = 5237366929920. Its totient is φ = 925813131264.

The previous prime is 2321121033229. The next prime is 2321121033383. The reversal of 2321121033320 is 233301211232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19943537 + ... + 20059583.

It is an arithmetic number, because the mean of its divisors is an integer number (81833858280).

Almost surely, 2^{2321121033320} is an apocalyptic number.

2321121033320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321121033320 is an abundant number, since it is smaller than the sum of its proper divisors (2916245896600).

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

2321121033320 is a wasteful number, since it uses less digits than its factorization.

2321121033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117474 (or 117470 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2321121033320 its reverse (233301211232), we get a palindrome (2554422244552).

The spelling of 2321121033320 in words is "two trillion, three hundred twenty-one billion, one hundred twenty-one million, thirty-three thousand, three hundred twenty".