11102122111 has 2 divisors, whose sum is σ = 11102122112. Its totient is φ = 11102122110.

The previous prime is 11102122069. The next prime is 11102122117. The reversal of 11102122111 is 11122120111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11102122111 - 2⁹ = 11102121599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102122091 and 11102122100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11102122117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551061055 + 5551061056.

It is an arithmetic number, because the mean of its divisors is an integer number (5551061056).

Almost surely, 2^11102122111 is an apocalyptic number.

11102122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102122111 is an equidigital number, since it uses as much as digits as its factorization.

11102122111 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 13.

Adding to 11102122111 its reverse (11122120111), we get a palindrome (22224242222).

The spelling of 11102122111 in words is "eleven billion, one hundred two million, one hundred twenty-two thousand, one hundred eleven".