121503110044 has 12 divisors (see below), whose sum is σ = 212642731224. Its totient is φ = 60748043984.

The previous prime is 121503110023. The next prime is 121503110059. The reversal of 121503110044 is 440011305121.

It is a super-3 number, since 3×121503110044³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121503109997 and 121503110024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799114 + ... + 938929.

It is an arithmetic number, because the mean of its divisors is an integer number (17720227602).

Almost surely, 2^121503110044 is an apocalyptic number.

It is an amenable number.

121503110044 is a deficient number, since it is larger than the sum of its proper divisors (91139621180).

121503110044 is a wasteful number, since it uses less digits than its factorization.

121503110044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755524 (or 1755522 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 121503110044 its reverse (440011305121), we get a palindrome (561514415165).

The spelling of 121503110044 in words is "one hundred twenty-one billion, five hundred three million, one hundred ten thousand, forty-four".