121121033 has 4 divisors (see below), whose sum is σ = 132132048. Its totient is φ = 110110020.

The previous prime is 121121003. The next prime is 121121083. The reversal of 121121033 is 330121121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121121033 - 2⁶ = 121120969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121120999 and 121121017.

It is not an unprimeable number, because it can be changed into a prime (121121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505491 + ... + 5505512.

It is an arithmetic number, because the mean of its divisors is an integer number (33033012).

Almost surely, 2^121121033 is an apocalyptic number.

It is an amenable number.

121121033 is a deficient number, since it is larger than the sum of its proper divisors (11011015).

121121033 is a wasteful number, since it uses less digits than its factorization.

121121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011014.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121121033 is about 11005.5001249375. The cubic root of 121121033 is about 494.7736039148.

Adding to 121121033 its reverse (330121121), we get a palindrome (451242154).

The spelling of 121121033 in words is "one hundred twenty-one million, one hundred twenty-one thousand, thirty-three".