112101109 has 2 divisors, whose sum is σ = 112101110. Its totient is φ = 112101108.

The previous prime is 112101089. The next prime is 112101113. The reversal of 112101109 is 901101211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111894084 + 207025 = 10578^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101109 - 2¹¹ = 112099061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112101092 and 112101101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112101169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050554 + 56050555.

It is an arithmetic number, because the mean of its divisors is an integer number (56050555).

Almost surely, 2^112101109 is an apocalyptic number.

It is an amenable number.

112101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

112101109 is an equidigital number, since it uses as much as digits as its factorization.

112101109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 112101109 is about 10587.7811178736. The cubic root of 112101109 is about 482.1734610379.

The spelling of 112101109 in words is "one hundred twelve million, one hundred one thousand, one hundred nine".