11220022212201 has 24 divisors (see below), whose sum is σ = 18157873790784. Its totient is φ = 6616229312160.

The previous prime is 11220022212197. The next prime is 11220022212211. The reversal of 11220022212201 is 10221222002211.

It is a happy number.

11220022212201 is a `hidden beast` number, since 1 + 1 + 220 + 0 + 2 + 221 + 220 + 1 = 666.

It is not a de Polignac number, because 11220022212201 - 2² = 11220022212197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220022212211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1531530901 + ... + 1531538226.

It is an arithmetic number, because the mean of its divisors is an integer number (756578074616).

Almost surely, 2^{11220022212201} is an apocalyptic number.

11220022212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220022212201 is a deficient number, since it is larger than the sum of its proper divisors (6937851578583).

11220022212201 is a wasteful number, since it uses less digits than its factorization.

11220022212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063069181 (or 3063069178 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11220022212201 its reverse (10221222002211), we get a palindrome (21441244214412).

The spelling of 11220022212201 in words is "eleven trillion, two hundred twenty billion, twenty-two million, two hundred twelve thousand, two hundred one".