121103042332103 has 16 divisors (see below), whose sum is σ = 132560726091360. Its totient is φ = 109956296900736.

The previous prime is 121103042332067. The next prime is 121103042332133. The reversal of 121103042332103 is 301233240301121.

It is a happy number.

It is not a de Polignac number, because 121103042332103 - 2²⁸ = 121102773896647 is a prime.

It is a super-2 number, since 2×121103042332103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103042332133) 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, 102097988 + ... + 103277321.

It is an arithmetic number, because the mean of its divisors is an integer number (8285045380710).

Almost surely, 2^{121103042332103} is an apocalyptic number.

121103042332103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121103042332103 is a deficient number, since it is larger than the sum of its proper divisors (11457683759257).

121103042332103 is a wasteful number, since it uses less digits than its factorization.

121103042332103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205376066.

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

Adding to 121103042332103 its reverse (301233240301121), we get a palindrome (422336282633224).

The spelling of 121103042332103 in words is "one hundred twenty-one trillion, one hundred three billion, forty-two million, three hundred thirty-two thousand, one hundred three".