111102214120109 has 2 divisors, whose sum is σ = 111102214120110. Its totient is φ = 111102214120108.

The previous prime is 111102214120087. The next prime is 111102214120151. The reversal of 111102214120109 is 901021412201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87929591818084 + 23172622302025 = 9377078^2 + 4813795^2 .

It is an emirp because it is prime and its reverse (901021412201111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111102214120109 - 2²⁴ = 111102197342893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111102214120159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551107060054 + 55551107060055.

It is an arithmetic number, because the mean of its divisors is an integer number (55551107060055).

Almost surely, 2^{111102214120109} is an apocalyptic number.

It is an amenable number.

111102214120109 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102214120109 is an equidigital number, since it uses as much as digits as its factorization.

111102214120109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 111102214120109 in words is "one hundred eleven trillion, one hundred two billion, two hundred fourteen million, one hundred twenty thousand, one hundred nine".