121113133300223 has 16 divisors (see below), whose sum is σ = 128259513261600. Its totient is φ = 114192340375680.

The previous prime is 121113133300193. The next prime is 121113133300231. The reversal of 121113133300223 is 322003331311121.

It is a cyclic number.

It is not a de Polignac number, because 121113133300223 - 2⁸ = 121113133299967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121113133300192 and 121113133300201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113133300723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246028136 + ... + 246519917.

It is an arithmetic number, because the mean of its divisors is an integer number (8016219578850).

Almost surely, 2^{121113133300223} is an apocalyptic number.

121113133300223 is a deficient number, since it is larger than the sum of its proper divisors (7146379961377).

121113133300223 is a wasteful number, since it uses less digits than its factorization.

121113133300223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492548282.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 121113133300223 its reverse (322003331311121), we get a palindrome (443116464611344).

The spelling of 121113133300223 in words is "one hundred twenty-one trillion, one hundred thirteen billion, one hundred thirty-three million, three hundred thousand, two hundred twenty-three".