102211030111 has 2 divisors, whose sum is σ = 102211030112. Its totient is φ = 102211030110.

The previous prime is 102211030109. The next prime is 102211030151. The reversal of 102211030111 is 111030112201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102211030111 - 2¹ = 102211030109 is a prime.

Together with 102211030109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 102211030091 and 102211030100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102211030151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105515055 + 51105515056.

It is an arithmetic number, because the mean of its divisors is an integer number (51105515056).

Almost surely, 2^102211030111 is an apocalyptic number.

102211030111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102211030111 is an equidigital number, since it uses as much as digits as its factorization.

102211030111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 102211030111 its reverse (111030112201), we get a palindrome (213241142312).

The spelling of 102211030111 in words is "one hundred two billion, two hundred eleven million, thirty thousand, one hundred eleven".