111839720119 has 2 divisors, whose sum is σ = 111839720120. Its totient is φ = 111839720118.

The previous prime is 111839720077. The next prime is 111839720123. The reversal of 111839720119 is 911027938111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (911027938111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111839720119 - 2⁷ = 111839719991 is a prime.

It is a super-2 number, since 2×111839720119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111839720129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55919860059 + 55919860060.

It is an arithmetic number, because the mean of its divisors is an integer number (55919860060).

Almost surely, 2^111839720119 is an apocalyptic number.

111839720119 is a deficient number, since it is larger than the sum of its proper divisors (1).

111839720119 is an equidigital number, since it uses as much as digits as its factorization.

111839720119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 43.

The spelling of 111839720119 in words is "one hundred eleven billion, eight hundred thirty-nine million, seven hundred twenty thousand, one hundred nineteen".