120111510223 has 2 divisors, whose sum is σ = 120111510224. Its totient is φ = 120111510222.

The previous prime is 120111510193. The next prime is 120111510229. The reversal of 120111510223 is 322015111021.

It is a strong prime.

It is an emirp because it is prime and its reverse (322015111021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120111510223 - 2⁵ = 120111510191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120111510223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120111510229) 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, 60055755111 + 60055755112.

It is an arithmetic number, because the mean of its divisors is an integer number (60055755112).

Almost surely, 2^120111510223 is an apocalyptic number.

120111510223 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111510223 is an equidigital number, since it uses as much as digits as its factorization.

120111510223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 120111510223 its reverse (322015111021), we get a palindrome (442126621244).

The spelling of 120111510223 in words is "one hundred twenty billion, one hundred eleven million, five hundred ten thousand, two hundred twenty-three".