121342023103103 has 16 divisors (see below), whose sum is σ = 132841730147712. Its totient is φ = 109920763260000.

The previous prime is 121342023103097. The next prime is 121342023103111. The reversal of 121342023103103 is 301301320243121.

It is a happy number.

It is not a de Polignac number, because 121342023103103 - 2²⁶ = 121341955994239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121342023103303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1582373 + ... + 15658478.

It is an arithmetic number, because the mean of its divisors is an integer number (8302608134232).

Almost surely, 2^{121342023103103} is an apocalyptic number.

121342023103103 is a deficient number, since it is larger than the sum of its proper divisors (11499707044609).

121342023103103 is a wasteful number, since it uses less digits than its factorization.

121342023103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17243126.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 121342023103103 its reverse (301301320243121), we get a palindrome (422643343346224).

The spelling of 121342023103103 in words is "one hundred twenty-one trillion, three hundred forty-two billion, twenty-three million, one hundred three thousand, one hundred three".