200120120000111 has 2 divisors, whose sum is σ = 200120120000112. Its totient is φ = 200120120000110.

The previous prime is 200120119999949. The next prime is 200120120000159. The reversal of 200120120000111 is 111000021021002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200120120000111 - 2³⁴ = 200102940130927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200120120000092 and 200120120000101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200120120006111) 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, 100060060000055 + 100060060000056.

It is an arithmetic number, because the mean of its divisors is an integer number (100060060000056).

Almost surely, 2^{200120120000111} is an apocalyptic number.

200120120000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120120000111 is an equidigital number, since it uses as much as digits as its factorization.

200120120000111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200120120000111 its reverse (111000021021002), we get a palindrome (311120141021113).

The spelling of 200120120000111 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty million, one hundred eleven", and thus it is an aban number.