121044315103 has 2 divisors, whose sum is σ = 121044315104. Its totient is φ = 121044315102.

The previous prime is 121044315101. The next prime is 121044315157. The reversal of 121044315103 is 301513440121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121044315103 - 2¹ = 121044315101 is a prime.

Together with 121044315101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121044315101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60522157551 + 60522157552.

It is an arithmetic number, because the mean of its divisors is an integer number (60522157552).

Almost surely, 2^121044315103 is an apocalyptic number.

121044315103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121044315103 is an equidigital number, since it uses as much as digits as its factorization.

121044315103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 121044315103 its reverse (301513440121), we get a palindrome (422557755224).

The spelling of 121044315103 in words is "one hundred twenty-one billion, forty-four million, three hundred fifteen thousand, one hundred three".