120130021100321 has 2 divisors, whose sum is σ = 120130021100322. Its totient is φ = 120130021100320.

The previous prime is 120130021100317. The next prime is 120130021100357. The reversal of 120130021100321 is 123001120031021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116902479501025 + 3227541599296 = 10812145^2 + 1796536^2 .

It is a cyclic number.

It is not a de Polignac number, because 120130021100321 - 2² = 120130021100317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120130021100321.

It is not a weakly prime, because it can be changed into another prime (120130021100371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60065010550160 + 60065010550161.

It is an arithmetic number, because the mean of its divisors is an integer number (60065010550161).

Almost surely, 2^{120130021100321} is an apocalyptic number.

It is an amenable number.

120130021100321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120130021100321 is an equidigital number, since it uses as much as digits as its factorization.

120130021100321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120130021100321 its reverse (123001120031021), we get a palindrome (243131141131342).

The spelling of 120130021100321 in words is "one hundred twenty trillion, one hundred thirty billion, twenty-one million, one hundred thousand, three hundred twenty-one".