121112010223 has 2 divisors, whose sum is σ = 121112010224. Its totient is φ = 121112010222.

The previous prime is 121112010197. The next prime is 121112010241. The reversal of 121112010223 is 322010211121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121112010223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121112010197 and 121112010206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112010263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556005111 + 60556005112.

It is an arithmetic number, because the mean of its divisors is an integer number (60556005112).

Almost surely, 2^121112010223 is an apocalyptic number.

121112010223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112010223 is an equidigital number, since it uses as much as digits as its factorization.

121112010223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121112010223 its reverse (322010211121), we get a palindrome (443122221344).

The spelling of 121112010223 in words is "one hundred twenty-one billion, one hundred twelve million, ten thousand, two hundred twenty-three".