Search a number
-
+
11212101100111 is a prime number
BaseRepresentation
bin1010001100101000010101…
…0011011010001001001111
31110200212101121021221102211
42203022011103122021033
52432144340340200421
635502433530131251
72235022213610512
oct243120523321117
943625347257384
1011212101100111
11363303085479a
121310b91b80b27
136343b18151a2
142aa950870d79
151469bc1be9e1
hexa32854da24f

11212101100111 has 2 divisors, whose sum is σ = 11212101100112. Its totient is φ = 11212101100110.

The previous prime is 11212101100097. The next prime is 11212101100163. The reversal of 11212101100111 is 11100110121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212101100111 - 217 = 11212100969039 is a prime.

It is a super-2 number, since 2×112121011001112 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212101100091 and 11212101100100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212101100511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606050550055 + 5606050550056.

It is an arithmetic number, because the mean of its divisors is an integer number (5606050550056).

Almost surely, 211212101100111 is an apocalyptic number.

11212101100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212101100111 is an equidigital number, since it uses as much as digits as its factorization.

11212101100111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11212101100111 its reverse (11100110121211), we get a palindrome (22312211221322).

The spelling of 11212101100111 in words is "eleven trillion, two hundred twelve billion, one hundred one million, one hundred thousand, one hundred eleven".