102111002011 has 2 divisors, whose sum is σ = 102111002012. Its totient is φ = 102111002010.

The previous prime is 102111001973. The next prime is 102111002041. The reversal of 102111002011 is 110200111201.

It is a strong prime.

It is an emirp because it is prime and its reverse (110200111201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102111002011 - 2¹³ = 102110993819 is a prime.

It is not a weakly prime, because it can be changed into another prime (102111002041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055501005 + 51055501006.

It is an arithmetic number, because the mean of its divisors is an integer number (51055501006).

Almost surely, 2^102111002011 is an apocalyptic number.

102111002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111002011 is an equidigital number, since it uses as much as digits as its factorization.

102111002011 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 10.

Adding to 102111002011 its reverse (110200111201), we get a palindrome (212311113212).

The spelling of 102111002011 in words is "one hundred two billion, one hundred eleven million, two thousand, eleven".