1122110111 has 2 divisors, whose sum is σ = 1122110112. Its totient is φ = 1122110110.

The previous prime is 1122110071. The next prime is 1122110123. The reversal of 1122110111 is 1110112211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122110111 is a prime.

It is a super-2 number, since 2×1122110111² = 2518262202416864642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122110092 and 1122110101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122110141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561055055 + 561055056.

It is an arithmetic number, because the mean of its divisors is an integer number (561055056).

Almost surely, 2^1122110111 is an apocalyptic number.

1122110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122110111 is an equidigital number, since it uses as much as digits as its factorization.

1122110111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1122110111 is about 33497.9120394093. The cubic root of 1122110111 is about 1039.1505980596.

Adding to 1122110111 its reverse (1110112211), we get a palindrome (2232222322).

The spelling of 1122110111 in words is "one billion, one hundred twenty-two million, one hundred ten thousand, one hundred eleven".