Search a number
-
+
11212120033 is a prime number
BaseRepresentation
bin10100111000100101…
…10101111111100001
31001221101120201012221
422130102311333201
5140430300320113
65052322351041
7544563306412
oct123422657741
931841521187
1011212120033
114833a49804
12220aabb481
131098b6646a
14785129809
154594de98d
hex29c4b5fe1

11212120033 has 2 divisors, whose sum is σ = 11212120034. Its totient is φ = 11212120032.

The previous prime is 11212119979. The next prime is 11212120043. The reversal of 11212120033 is 33002121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7161052129 + 4051067904 = 84623^2 + 63648^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212120033 - 29 = 11212119521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11212119989 and 11212120016.

It is not a weakly prime, because it can be changed into another prime (11212120043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606060016 + 5606060017.

It is an arithmetic number, because the mean of its divisors is an integer number (5606060017).

Almost surely, 211212120033 is an apocalyptic number.

It is an amenable number.

11212120033 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212120033 is an equidigital number, since it uses as much as digits as its factorization.

11212120033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11212120033 its reverse (33002121211), we get a palindrome (44214241244).

The spelling of 11212120033 in words is "eleven billion, two hundred twelve million, one hundred twenty thousand, thirty-three".