121303101003 has 16 divisors (see below), whose sum is σ = 194571390720. Its totient is φ = 65667843936.

The previous prime is 121303100983. The next prime is 121303101011. The reversal of 121303101003 is 300101303121.

It is not a de Polignac number, because 121303101003 - 2²⁵ = 121269546571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121303101013) 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, 152008500 + ... + 152009297.

It is an arithmetic number, because the mean of its divisors is an integer number (12160711920).

Almost surely, 2^121303101003 is an apocalyptic number.

121303101003 is a deficient number, since it is larger than the sum of its proper divisors (73268289717).

121303101003 is a wasteful number, since it uses less digits than its factorization.

121303101003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304017826.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 121303101003 its reverse (300101303121), we get a palindrome (421404404124).

The spelling of 121303101003 in words is "one hundred twenty-one billion, three hundred three million, one hundred one thousand, three".