11221110222001 has 2 divisors, whose sum is σ = 11221110222002. Its totient is φ = 11221110222000.

The previous prime is 11221110221983. The next prime is 11221110222019. The reversal of 11221110222001 is 10022201112211.

11221110222001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11221110221983) and next prime (11221110222019).

It can be written as a sum of positive squares in only one way, i.e., 11208775898401 + 12334323600 = 3347951^2 + 111060^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221110222001 - 2¹¹ = 11221110219953 is a prime.

It is a super-2 number, since 2×11221110222001² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11221110222031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610555111000 + 5610555111001.

It is an arithmetic number, because the mean of its divisors is an integer number (5610555111001).

Almost surely, 2^{11221110222001} is an apocalyptic number.

It is an amenable number.

11221110222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221110222001 is an equidigital number, since it uses as much as digits as its factorization.

11221110222001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221110222001 its reverse (10022201112211), we get a palindrome (21243311334212).

The spelling of 11221110222001 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-two thousand, one".