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111230111089 is a prime number
BaseRepresentation
bin110011110010111010…
…1001100110101110001
3101122002211002002120001
41213211311030311301
53310244402023324
6123033131150001
711015246226106
oct1474565146561
9348084062501
10111230111089
1143199552849
12196828a5301
13a648304aa6
145552710aad
152d600cee44
hex19e5d4cd71

111230111089 has 2 divisors, whose sum is σ = 111230111090. Its totient is φ = 111230111088.

The previous prime is 111230111051. The next prime is 111230111107. The reversal of 111230111089 is 980111032111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68560185600 + 42669925489 = 261840^2 + 206567^2 .

It is an emirp because it is prime and its reverse (980111032111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111230111089 - 27 = 111230110961 is a prime.

It is a super-2 number, since 2×1112301110892 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111230111039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615055544 + 55615055545.

It is an arithmetic number, because the mean of its divisors is an integer number (55615055545).

Almost surely, 2111230111089 is an apocalyptic number.

It is an amenable number.

111230111089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111230111089 is an equidigital number, since it uses as much as digits as its factorization.

111230111089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 28.

The spelling of 111230111089 in words is "one hundred eleven billion, two hundred thirty million, one hundred eleven thousand, eighty-nine".