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11221213301 is a prime number
BaseRepresentation
bin10100111001101011…
…00010000001110101
31001222000200200211122
422130311202001311
5140440112311201
65053245313325
7545033511404
oct123465420165
931860620748
1011221213301
11483909a701
122211b65845
13109a9cb3ac
1478641563b
1545a1d8e1b
hex29cd62075

11221213301 has 2 divisors, whose sum is σ = 11221213302. Its totient is φ = 11221213300.

The previous prime is 11221213259. The next prime is 11221213391. The reversal of 11221213301 is 10331212211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6701878225 + 4519335076 = 81865^2 + 67226^2 .

It is an emirp because it is prime and its reverse (10331212211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11221213301 - 222 = 11217018997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11221213301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221213391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610606650 + 5610606651.

It is an arithmetic number, because the mean of its divisors is an integer number (5610606651).

Almost surely, 211221213301 is an apocalyptic number.

It is an amenable number.

11221213301 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221213301 is an equidigital number, since it uses as much as digits as its factorization.

11221213301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11221213301 its reverse (10331212211), we get a palindrome (21552425512).

The spelling of 11221213301 in words is "eleven billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred one".