121330232003 has 4 divisors (see below), whose sum is σ = 121356908400. Its totient is φ = 121303555608.

The previous prime is 121330231999. The next prime is 121330232011. The reversal of 121330232003 is 300232033121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300232033121 = 73 ⋅4112767577.

It is a cyclic number.

It is not a de Polignac number, because 121330232003 - 2² = 121330231999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121330232503) 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, 13331375 + ... + 13340472.

It is an arithmetic number, because the mean of its divisors is an integer number (30339227100).

Almost surely, 2^121330232003 is an apocalyptic number.

121330232003 is a deficient number, since it is larger than the sum of its proper divisors (26676397).

121330232003 is an equidigital number, since it uses as much as digits as its factorization.

121330232003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26676396.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 121330232003 its reverse (300232033121), we get a palindrome (421562265124).

The spelling of 121330232003 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred thirty-two thousand, three".