121003313131223 has 16 divisors (see below), whose sum is σ = 126780134169600. Its totient is φ = 115269791276640.

The previous prime is 121003313131201. The next prime is 121003313131279. The reversal of 121003313131223 is 322131313300121.

It is a cyclic number.

It is not a de Polignac number, because 121003313131223 - 2⁸ = 121003313130967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121003313131192 and 121003313131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003313131523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13316018 + ... + 20477376.

It is an arithmetic number, because the mean of its divisors is an integer number (7923758385600).

Almost surely, 2^{121003313131223} is an apocalyptic number.

121003313131223 is a deficient number, since it is larger than the sum of its proper divisors (5776821038377).

121003313131223 is a wasteful number, since it uses less digits than its factorization.

121003313131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164382.

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

Adding to 121003313131223 its reverse (322131313300121), we get a palindrome (443134626431344).

The spelling of 121003313131223 in words is "one hundred twenty-one trillion, three billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred twenty-three".