121003042203 has 6 divisors (see below), whose sum is σ = 174782172084. Its totient is φ = 80668694796.

The previous prime is 121003042183. The next prime is 121003042207. The reversal of 121003042203 is 302240300121.

121003042203 is a `hidden beast` number, since 1 + 210 + 0 + 30 + 422 + 0 + 3 = 666.

It is not a de Polignac number, because 121003042203 - 2⁸ = 121003041947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121003042207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6722391225 + ... + 6722391242.

It is an arithmetic number, because the mean of its divisors is an integer number (29130362014).

Almost surely, 2^121003042203 is an apocalyptic number.

121003042203 is a deficient number, since it is larger than the sum of its proper divisors (53779129881).

121003042203 is a wasteful number, since it uses less digits than its factorization.

121003042203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13444782473 (or 13444782470 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121003042203 its reverse (302240300121), we get a palindrome (423243342324).

The spelling of 121003042203 in words is "one hundred twenty-one billion, three million, forty-two thousand, two hundred three".