121003311003 has 8 divisors (see below), whose sum is σ = 166542191616. Its totient is φ = 78066652200.

The previous prime is 121003311001. The next prime is 121003311017. The reversal of 121003311003 is 300113300121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121003311003 - 2¹ = 121003311001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121003311001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650555343 + ... + 650555528.

It is an arithmetic number, because the mean of its divisors is an integer number (20817773952).

Almost surely, 2^121003311003 is an apocalyptic number.

121003311003 is a deficient number, since it is larger than the sum of its proper divisors (45538880613).

121003311003 is a wasteful number, since it uses less digits than its factorization.

121003311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301110905.

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

Adding to 121003311003 its reverse (300113300121), we get a palindrome (421116611124).

The spelling of 121003311003 in words is "one hundred twenty-one billion, three million, three hundred eleven thousand, three".