11022201212201 has 4 divisors (see below), whose sum is σ = 11402277116100. Its totient is φ = 10642125308304.

The previous prime is 11022201212167. The next prime is 11022201212233. The reversal of 11022201212201 is 10221210222011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7463545338601 + 3558655873600 = 2731949^2 + 1886440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11022201212201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022201212201.

It is not an unprimeable number, because it can be changed into a prime (11022201212101) 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 in 3 ways as a sum of consecutive naturals, for example, 190037951906 + ... + 190037951963.

It is an arithmetic number, because the mean of its divisors is an integer number (2850569279025).

Almost surely, 2^{11022201212201} is an apocalyptic number.

It is an amenable number.

11022201212201 is a deficient number, since it is larger than the sum of its proper divisors (380075903899).

11022201212201 is an equidigital number, since it uses as much as digits as its factorization.

11022201212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380075903898.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11022201212201 its reverse (10221210222011), we get a palindrome (21243411434212).

The spelling of 11022201212201 in words is "eleven trillion, twenty-two billion, two hundred one million, two hundred twelve thousand, two hundred one".