2321220302120 has 32 divisors (see below), whose sum is σ = 5350129724520. Its totient is φ = 905842068480.

The previous prime is 2321220302033. The next prime is 2321220302143. The reversal of 2321220302120 is 212030221232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 908540674276 + 1412679627844 = 953174^2 + 1188562^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2321220302092 and 2321220302101.

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 7 ways as a sum of consecutive naturals, for example, 707687477 + ... + 707690756.

Almost surely, 2^{2321220302120} is an apocalyptic number.

2321220302120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321220302120 is an abundant number, since it is smaller than the sum of its proper divisors (3028909422400).

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

2321220302120 is a wasteful number, since it uses less digits than its factorization.

2321220302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415378285 (or 1415378281 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2321220302120 its reverse (212030221232), we get a palindrome (2533250523352).

The spelling of 2321220302120 in words is "two trillion, three hundred twenty-one billion, two hundred twenty million, three hundred two thousand, one hundred twenty".