121011000203003 has 4 divisors (see below), whose sum is σ = 121021681739640. Its totient is φ = 121000318666368.

The previous prime is 121011000202997. The next prime is 121011000203039. The reversal of 121011000203003 is 300302000110121.

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 121011000203003 - 2²⁸ = 121010731767547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011000203083) 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, 5340751325 + ... + 5340773982.

It is an arithmetic number, because the mean of its divisors is an integer number (30255420434910).

Almost surely, 2^{121011000203003} is an apocalyptic number.

121011000203003 is a deficient number, since it is larger than the sum of its proper divisors (10681536637).

121011000203003 is a wasteful number, since it uses less digits than its factorization.

121011000203003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681536636.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121011000203003 its reverse (300302000110121), we get a palindrome (421313000313124).

The spelling of 121011000203003 in words is "one hundred twenty-one trillion, eleven billion, two hundred three thousand, three".