121331003033 has 4 divisors (see below), whose sum is σ = 122694272820. Its totient is φ = 119967733248.

The previous prime is 121331002993. The next prime is 121331003047. The reversal of 121331003033 is 330300133121.

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 52793333824 + 68537669209 = 229768^2 + 261797^2 .

It is a cyclic number.

It is not a de Polignac number, because 121331003033 - 2⁸ = 121331002777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121331002996 and 121331003014.

It is not an unprimeable number, because it can be changed into a prime (121331063033) 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, 681634760 + ... + 681634937.

It is an arithmetic number, because the mean of its divisors is an integer number (30673568205).

Almost surely, 2^121331003033 is an apocalyptic number.

It is an amenable number.

121331003033 is a deficient number, since it is larger than the sum of its proper divisors (1363269787).

121331003033 is an equidigital number, since it uses as much as digits as its factorization.

121331003033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363269786.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 121331003033 its reverse (330300133121), we get a palindrome (451631136154).

The spelling of 121331003033 in words is "one hundred twenty-one billion, three hundred thirty-one million, three thousand, thirty-three".