120102111011 has 2 divisors, whose sum is σ = 120102111012. Its totient is φ = 120102111010.

The previous prime is 120102110993. The next prime is 120102111013. The reversal of 120102111011 is 110111201021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120102111011 - 2²² = 120097916707 is a prime.

Together with 120102111013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120102110983 and 120102111001.

It is not a weakly prime, because it can be changed into another prime (120102111013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051055505 + 60051055506.

It is an arithmetic number, because the mean of its divisors is an integer number (60051055506).

Almost surely, 2^120102111011 is an apocalyptic number.

120102111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102111011 is an equidigital number, since it uses as much as digits as its factorization.

120102111011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120102111011 its reverse (110111201021), we get a palindrome (230213312032).

It can be divided in two parts, 1201021 and 11011, that multiplied together give a palindrome (13224442231).

The spelling of 120102111011 in words is "one hundred twenty billion, one hundred two million, one hundred eleven thousand, eleven".