121122123113311 has 2 divisors, whose sum is σ = 121122123113312. Its totient is φ = 121122123113310.

The previous prime is 121122123113297. The next prime is 121122123113317. The reversal of 121122123113311 is 113311321221121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121122123113311 - 2²¹ = 121122121016159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121122123113317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561061556655 + 60561061556656.

It is an arithmetic number, because the mean of its divisors is an integer number (60561061556656).

Almost surely, 2^{121122123113311} is an apocalyptic number.

121122123113311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122123113311 is an equidigital number, since it uses as much as digits as its factorization.

121122123113311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

Adding to 121122123113311 its reverse (113311321221121), we get a palindrome (234433444334432).

The spelling of 121122123113311 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twenty-three million, one hundred thirteen thousand, three hundred eleven".