121003103323 has 4 divisors (see below), whose sum is σ = 123954398568. Its totient is φ = 118051808080.

The previous prime is 121003103321. The next prime is 121003103381. The reversal of 121003103323 is 323301300121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121003103323 - 2¹ = 121003103321 is a prime.

It is a super-2 number, since 2×121003103323² (a number of 23 digits) contains 22 as substring.

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 121003103323.

It is not an unprimeable number, because it can be changed into a prime (121003103321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475647561 + ... + 1475647642.

It is an arithmetic number, because the mean of its divisors is an integer number (30988599642).

Almost surely, 2^121003103323 is an apocalyptic number.

121003103323 is a deficient number, since it is larger than the sum of its proper divisors (2951295245).

121003103323 is an equidigital number, since it uses as much as digits as its factorization.

121003103323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951295244.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121003103323 its reverse (323301300121), we get a palindrome (444304403444).

The spelling of 121003103323 in words is "one hundred twenty-one billion, three million, one hundred three thousand, three hundred twenty-three".