120111012223 has 2 divisors, whose sum is σ = 120111012224. Its totient is φ = 120111012222.

The previous prime is 120111012221. The next prime is 120111012239. The reversal of 120111012223 is 322210111021.

It is an a-pointer prime, because the next prime (120111012239) can be obtained adding 120111012223 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120111012223 - 2¹ = 120111012221 is a prime.

Together with 120111012221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 120111012197 and 120111012206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120111012221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055506111 + 60055506112.

It is an arithmetic number, because the mean of its divisors is an integer number (60055506112).

Almost surely, 2^120111012223 is an apocalyptic number.

120111012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111012223 is an equidigital number, since it uses as much as digits as its factorization.

120111012223 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 120111012223 its reverse (322210111021), we get a palindrome (442321123244).

The spelling of 120111012223 in words is "one hundred twenty billion, one hundred eleven million, twelve thousand, two hundred twenty-three".