121403233003 has 4 divisors (see below), whose sum is σ = 130741943248. Its totient is φ = 112064522760.

The previous prime is 121403232953. The next prime is 121403233031. The reversal of 121403233003 is 300332304121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300332304121 = 29 ⋅10356286349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121403233003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121403633003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4669355103 + ... + 4669355128.

It is an arithmetic number, because the mean of its divisors is an integer number (32685485812).

Almost surely, 2^121403233003 is an apocalyptic number.

121403233003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121403233003 is a deficient number, since it is larger than the sum of its proper divisors (9338710245).

121403233003 is an equidigital number, since it uses as much as digits as its factorization.

121403233003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338710244.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 121403233003 its reverse (300332304121), we get a palindrome (421735537124).

The spelling of 121403233003 in words is "one hundred twenty-one billion, four hundred three million, two hundred thirty-three thousand, three".