121320311332203 has 48 divisors (see below), whose sum is σ = 182263042680576. Its totient is φ = 77700949341120.

The previous prime is 121320311332193. The next prime is 121320311332223. The reversal of 121320311332203 is 302233113023121.

121320311332203 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 20 + 311 + 3 + 322 + 0 + 3 = 666.

It is not a de Polignac number, because 121320311332203 - 2²⁸ = 121320042896747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121320311332223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 645958876 + ... + 646146662.

It is an arithmetic number, because the mean of its divisors is an integer number (3797146722512).

Almost surely, 2^{121320311332203} is an apocalyptic number.

121320311332203 is a deficient number, since it is larger than the sum of its proper divisors (60942731348373).

121320311332203 is a wasteful number, since it uses less digits than its factorization.

121320311332203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215264 (or 215261 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 121320311332203 its reverse (302233113023121), we get a palindrome (423553424355324).

The spelling of 121320311332203 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred eleven million, three hundred thirty-two thousand, two hundred three".