121113221323 has 2 divisors, whose sum is σ = 121113221324. Its totient is φ = 121113221322.

The previous prime is 121113221297. The next prime is 121113221353. The reversal of 121113221323 is 323122311121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121113221323 - 2⁵ = 121113221291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121113221294 and 121113221303.

It is not a weakly prime, because it can be changed into another prime (121113221353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556610661 + 60556610662.

It is an arithmetic number, because the mean of its divisors is an integer number (60556610662).

Almost surely, 2^121113221323 is an apocalyptic number.

121113221323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113221323 is an equidigital number, since it uses as much as digits as its factorization.

121113221323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

Adding to 121113221323 its reverse (323122311121), we get a palindrome (444235532444).

The spelling of 121113221323 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred twenty-three".