121103022220013 has 2 divisors, whose sum is σ = 121103022220014. Its totient is φ = 121103022220012.

The previous prime is 121103022219983. The next prime is 121103022220069. The reversal of 121103022220013 is 310022220301121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120462873411364 + 640148808649 = 10975558^2 + 800093^2 .

It is a cyclic number.

It is not a de Polignac number, because 121103022220013 - 2²⁸ = 121102753784557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121103022210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551511110006 + 60551511110007.

It is an arithmetic number, because the mean of its divisors is an integer number (60551511110007).

Almost surely, 2^{121103022220013} is an apocalyptic number.

It is an amenable number.

121103022220013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103022220013 is an equidigital number, since it uses as much as digits as its factorization.

121103022220013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121103022220013 its reverse (310022220301121), we get a palindrome (431125242521134).

The spelling of 121103022220013 in words is "one hundred twenty-one trillion, one hundred three billion, twenty-two million, two hundred twenty thousand, thirteen".