121003030033 has 4 divisors (see below), whose sum is σ = 125175548340. Its totient is φ = 116830511728.

The previous prime is 121003030021. The next prime is 121003030087. The reversal of 121003030033 is 330030300121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85768736769 + 35234293264 = 292863^2 + 187708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121003030033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121003029989 and 121003030016.

It is not an unprimeable number, because it can be changed into a prime (121003030333) 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, 2086259110 + ... + 2086259167.

It is an arithmetic number, because the mean of its divisors is an integer number (31293887085).

Almost surely, 2^121003030033 is an apocalyptic number.

It is an amenable number.

121003030033 is a deficient number, since it is larger than the sum of its proper divisors (4172518307).

121003030033 is an equidigital number, since it uses as much as digits as its factorization.

121003030033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172518306.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 121003030033 its reverse (330030300121), we get a palindrome (451033330154).

The spelling of 121003030033 in words is "one hundred twenty-one billion, three million, thirty thousand, thirty-three".