121020133223 has 8 divisors (see below), whose sum is σ = 132025660176. Its totient is φ = 110015222400.

The previous prime is 121020133211. The next prime is 121020133237. The reversal of 121020133223 is 322331020121.

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 121020133223 - 2³⁰ = 119946391399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121020133195 and 121020133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020133253) 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, 320153 + ... + 586973.

It is an arithmetic number, because the mean of its divisors is an integer number (16503207522).

Almost surely, 2^121020133223 is an apocalyptic number.

121020133223 is a deficient number, since it is larger than the sum of its proper divisors (11005526953).

121020133223 is a wasteful number, since it uses less digits than its factorization.

121020133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308065.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121020133223 its reverse (322331020121), we get a palindrome (443351153344).

The spelling of 121020133223 in words is "one hundred twenty-one billion, twenty million, one hundred thirty-three thousand, two hundred twenty-three".