121013233120211 has 2 divisors, whose sum is σ = 121013233120212. Its totient is φ = 121013233120210.

The previous prime is 121013233120201. The next prime is 121013233120223. The reversal of 121013233120211 is 112021332310121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121013233120211 - 2⁶ = 121013233120147 is a prime.

It is not a weakly prime, because it can be changed into another prime (121013233120201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506616560105 + 60506616560106.

It is an arithmetic number, because the mean of its divisors is an integer number (60506616560106).

Almost surely, 2^{121013233120211} is an apocalyptic number.

121013233120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121013233120211 is an equidigital number, since it uses as much as digits as its factorization.

121013233120211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121013233120211 its reverse (112021332310121), we get a palindrome (233034565430332).

The spelling of 121013233120211 in words is "one hundred twenty-one trillion, thirteen billion, two hundred thirty-three million, one hundred twenty thousand, two hundred eleven".