11220010001 has 2 divisors, whose sum is σ = 11220010002. Its totient is φ = 11220010000.

The previous prime is 11220009949. The next prime is 11220010019. The reversal of 11220010001 is 10001002211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11137636225 + 82373776 = 105535^2 + 9076^2 .

It is an emirp because it is prime and its reverse (10001002211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220010001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220030001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610005000 + 5610005001.

It is an arithmetic number, because the mean of its divisors is an integer number (5610005001).

Almost surely, 2^11220010001 is an apocalyptic number.

It is an amenable number.

11220010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220010001 is an equidigital number, since it uses as much as digits as its factorization.

11220010001 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 8.

Adding to 11220010001 its reverse (10001002211), we get a palindrome (21221012212).

The spelling of 11220010001 in words is "eleven billion, two hundred twenty million, ten thousand, one".