111112032213109 has 2 divisors, whose sum is σ = 111112032213110. Its totient is φ = 111112032213108.

The previous prime is 111112032213097. The next prime is 111112032213157. The reversal of 111112032213109 is 901312230211111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88570873664100 + 22541158549009 = 9411210^2 + 4747753^2 .

It is a cyclic number.

It is not a de Polignac number, because 111112032213109 - 2¹⁹ = 111112031688821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111112032213709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556016106554 + 55556016106555.

It is an arithmetic number, because the mean of its divisors is an integer number (55556016106555).

Almost surely, 2^{111112032213109} is an apocalyptic number.

It is an amenable number.

111112032213109 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112032213109 is an equidigital number, since it uses as much as digits as its factorization.

111112032213109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 111112032213109 in words is "one hundred eleven trillion, one hundred twelve billion, thirty-two million, two hundred thirteen thousand, one hundred nine".