121013303222111 has 2 divisors, whose sum is σ = 121013303222112. Its totient is φ = 121013303222110.

The previous prime is 121013303222101. The next prime is 121013303222137. The reversal of 121013303222111 is 111222303310121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121013303222111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121013303222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506651611055 + 60506651611056.

It is an arithmetic number, because the mean of its divisors is an integer number (60506651611056).

Almost surely, 2^{121013303222111} is an apocalyptic number.

121013303222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121013303222111 is an equidigital number, since it uses as much as digits as its factorization.

121013303222111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 121013303222111 its reverse (111222303310121), we get a palindrome (232235606532232).

The spelling of 121013303222111 in words is "one hundred twenty-one trillion, thirteen billion, three hundred three million, two hundred twenty-two thousand, one hundred eleven".