121033131223 has 8 divisors (see below), whose sum is σ = 121452317568. Its totient is φ = 120614662584.

The previous prime is 121033131209. The next prime is 121033131259. The reversal of 121033131223 is 322131330121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121033131223 - 2⁹ = 121033130711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121033131194 and 121033131203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033131293) 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 7 ways as a sum of consecutive naturals, for example, 159540 + ... + 517222.

It is an arithmetic number, because the mean of its divisors is an integer number (15181539696).

Almost surely, 2^121033131223 is an apocalyptic number.

121033131223 is a deficient number, since it is larger than the sum of its proper divisors (419186345).

121033131223 is an equidigital number, since it uses as much as digits as its factorization.

121033131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358853.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121033131223 its reverse (322131330121), we get a palindrome (443164461344).

The spelling of 121033131223 in words is "one hundred twenty-one billion, thirty-three million, one hundred thirty-one thousand, two hundred twenty-three".