121003213323 has 8 divisors (see below), whose sum is σ = 161437153936. Its totient is φ = 80619040800.

The previous prime is 121003213321. The next prime is 121003213351. The reversal of 121003213323 is 323312300121.

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

It is not a de Polignac number, because 121003213323 - 2¹ = 121003213321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121003213323.

It is not an unprimeable number, because it can be changed into a prime (121003213321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12436348 + ... + 12446073.

It is an arithmetic number, because the mean of its divisors is an integer number (20179644242).

Almost surely, 2^121003213323 is an apocalyptic number.

121003213323 is a deficient number, since it is larger than the sum of its proper divisors (40433940613).

121003213323 is a wasteful number, since it uses less digits than its factorization.

121003213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24884045.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121003213323 its reverse (323312300121), we get a palindrome (444315513444).

The spelling of 121003213323 in words is "one hundred twenty-one billion, three million, two hundred thirteen thousand, three hundred twenty-three".