120411200321321 has 36 divisors (see below), whose sum is σ = 159201853360452. Its totient is φ = 90256168489536.

The previous prime is 120411200321311. The next prime is 120411200321339. The reversal of 120411200321321 is 123123002114021.

It can be written as a sum of positive squares in 2 ways, for example, as 10516653357721 + 109894546963600 = 3242939^2 + 10483060^2 .

It is a de Polignac number, because none of the positive numbers 2^k-120411200321321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120411200321311) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 261582470 + ... + 262042383.

It is an arithmetic number, because the mean of its divisors is an integer number (4422273704457).

Almost surely, 2^{120411200321321} is an apocalyptic number.

It is an amenable number.

120411200321321 is a deficient number, since it is larger than the sum of its proper divisors (38790653039131).

120411200321321 is a wasteful number, since it uses less digits than its factorization.

120411200321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523624918 (or 523624892 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 120411200321321 its reverse (123123002114021), we get a palindrome (243534202435342).

The spelling of 120411200321321 in words is "one hundred twenty trillion, four hundred eleven billion, two hundred million, three hundred twenty-one thousand, three hundred twenty-one".