120211230121 has 2 divisors, whose sum is σ = 120211230122. Its totient is φ = 120211230120.

The previous prime is 120211230091. The next prime is 120211230163. The reversal of 120211230121 is 121032112021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109518636096 + 10692594025 = 330936^2 + 103405^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211230121 - 2⁹ = 120211229609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120211230095 and 120211230104.

It is not a weakly prime, because it can be changed into another prime (120211230421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105615060 + 60105615061.

It is an arithmetic number, because the mean of its divisors is an integer number (60105615061).

Almost surely, 2^120211230121 is an apocalyptic number.

It is an amenable number.

120211230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211230121 is an equidigital number, since it uses as much as digits as its factorization.

120211230121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120211230121 its reverse (121032112021), we get a palindrome (241243342142).

The spelling of 120211230121 in words is "one hundred twenty billion, two hundred eleven million, two hundred thirty thousand, one hundred twenty-one".