120111000223111 has 2 divisors, whose sum is σ = 120111000223112. Its totient is φ = 120111000223110.

The previous prime is 120111000223061. The next prime is 120111000223147. The reversal of 120111000223111 is 111322000111021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120111000223111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120111000223811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055500111555 + 60055500111556.

It is an arithmetic number, because the mean of its divisors is an integer number (60055500111556).

Almost surely, 2^{120111000223111} is an apocalyptic number.

120111000223111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111000223111 is an equidigital number, since it uses as much as digits as its factorization.

120111000223111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 120111000223111 its reverse (111322000111021), we get a palindrome (231433000334132).

The spelling of 120111000223111 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred twenty-three thousand, one hundred eleven".