111100123319 has 2 divisors, whose sum is σ = 111100123320. Its totient is φ = 111100123318.

The previous prime is 111100123259. The next prime is 111100123331. The reversal of 111100123319 is 913321001111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100123319 - 2¹² = 111100119223 is a prime.

It is a super-2 number, since 2×111100123319² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111100123294 and 111100123303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100123619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550061659 + 55550061660.

It is an arithmetic number, because the mean of its divisors is an integer number (55550061660).

Almost surely, 2^111100123319 is an apocalyptic number.

111100123319 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100123319 is an equidigital number, since it uses as much as digits as its factorization.

111100123319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 111100123319 in words is "one hundred eleven billion, one hundred million, one hundred twenty-three thousand, three hundred nineteen".