11110122122111 has 2 divisors, whose sum is σ = 11110122122112. Its totient is φ = 11110122122110.

The previous prime is 11110122122069. The next prime is 11110122122129. The reversal of 11110122122111 is 11122122101111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11110122122111 - 2³⁴ = 11092942252927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11110122122111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110122122171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555061061055 + 5555061061056.

It is an arithmetic number, because the mean of its divisors is an integer number (5555061061056).

Almost surely, 2^{11110122122111} is an apocalyptic number.

11110122122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110122122111 is an equidigital number, since it uses as much as digits as its factorization.

11110122122111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11110122122111 its reverse (11122122101111), we get a palindrome (22232244223222).

The spelling of 11110122122111 in words is "eleven trillion, one hundred ten billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".