121301113310103 has 16 divisors (see below), whose sum is σ = 161960792360576. Its totient is φ = 80754428826720.

The previous prime is 121301113310099. The next prime is 121301113310161. The reversal of 121301113310103 is 301013311103121.

It is not a de Polignac number, because 121301113310103 - 2² = 121301113310099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121301113310103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301113312103) 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, 67125576 + ... + 68908962.

It is an arithmetic number, because the mean of its divisors is an integer number (10122549522536).

Almost surely, 2^{121301113310103} is an apocalyptic number.

121301113310103 is a deficient number, since it is larger than the sum of its proper divisors (40659679050473).

121301113310103 is a wasteful number, since it uses less digits than its factorization.

121301113310103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815054.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 121301113310103 its reverse (301013311103121), we get a palindrome (422314424413224).

The spelling of 121301113310103 in words is "one hundred twenty-one trillion, three hundred one billion, one hundred thirteen million, three hundred ten thousand, one hundred three".