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11021220202001 is a prime number
BaseRepresentation
bin1010000001100001001111…
…1010100100011000010001
31110000121200210012122000212
42200120103322210120101
52421032424332431001
635235024554053505
72215154053005422
oct240302372443021
943017623178025
1011021220202001
11356a089532839
12129bba041a295
1361c3b18474b9
142a1603929649
15141a496017bb
hexa0613ea4611

11021220202001 has 2 divisors, whose sum is σ = 11021220202002. Its totient is φ = 11021220202000.

The previous prime is 11021220201947. The next prime is 11021220202033. The reversal of 11021220202001 is 10020202212011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10381541761600 + 639678440401 = 3222040^2 + 799799^2 .

It is an emirp because it is prime and its reverse (10020202212011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11021220202001 - 238 = 10746342295057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021220202051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510610101000 + 5510610101001.

It is an arithmetic number, because the mean of its divisors is an integer number (5510610101001).

Almost surely, 211021220202001 is an apocalyptic number.

It is an amenable number.

11021220202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021220202001 is an equidigital number, since it uses as much as digits as its factorization.

11021220202001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11021220202001 its reverse (10020202212011), we get a palindrome (21041422414012).

The spelling of 11021220202001 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred two thousand, one".