Search a number
-
+
111121010027 is a prime number
BaseRepresentation
bin110011101111101010…
…1000000110101101011
3101121211012210012000222
41213133111000311223
53310033434310102
6123014232520255
711012453000156
oct1473725006553
9347735705028
10111121010027
1143142a05585
121965225008b
13a62b825951
145542030c9d
152d5572daa2
hex19df540d6b

111121010027 has 2 divisors, whose sum is σ = 111121010028. Its totient is φ = 111121010026.

The previous prime is 111121009931. The next prime is 111121010057. The reversal of 111121010027 is 720010121111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111121010027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111121009987 and 111121010014.

It is not a weakly prime, because it can be changed into another prime (111121010057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560505013 + 55560505014.

It is an arithmetic number, because the mean of its divisors is an integer number (55560505014).

Almost surely, 2111121010027 is an apocalyptic number.

111121010027 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121010027 is an equidigital number, since it uses as much as digits as its factorization.

111121010027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 111121010027 its reverse (720010121111), we get a palindrome (831131131138).

The spelling of 111121010027 in words is "one hundred eleven billion, one hundred twenty-one million, ten thousand, twenty-seven".