111111101119 has 2 divisors, whose sum is σ = 111111101120. Its totient is φ = 111111101118.

The previous prime is 111111101089. The next prime is 111111101131. The reversal of 111111101119 is 911101111111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111111101119 is a prime.

It is a super-2 number, since 2×111111101119² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111111101096 and 111111101105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111102119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555550559 + 55555550560.

It is an arithmetic number, because the mean of its divisors is an integer number (55555550560).

Almost surely, 2^111111101119 is an apocalyptic number.

111111101119 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111101119 is an equidigital number, since it uses as much as digits as its factorization.

111111101119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 19.

The spelling of 111111101119 in words is "one hundred eleven billion, one hundred eleven million, one hundred one thousand, one hundred nineteen".