102111120011 has 2 divisors, whose sum is σ = 102111120012. Its totient is φ = 102111120010.

The previous prime is 102111119947. The next prime is 102111120029. The reversal of 102111120011 is 110021111201.

It is a strong prime.

It is an emirp because it is prime and its reverse (110021111201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102111120011 - 2⁶ = 102111119947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102111119974 and 102111120001.

It is not a weakly prime, because it can be changed into another prime (102111120061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055560005 + 51055560006.

It is an arithmetic number, because the mean of its divisors is an integer number (51055560006).

Almost surely, 2^102111120011 is an apocalyptic number.

102111120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111120011 is an equidigital number, since it uses as much as digits as its factorization.

102111120011 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 102111120011 its reverse (110021111201), we get a palindrome (212132231212).

The spelling of 102111120011 in words is "one hundred two billion, one hundred eleven million, one hundred twenty thousand, eleven".