11122220022201 has 6 divisors (see below), whose sum is σ = 16065428920970. Its totient is φ = 7414813348128.

The previous prime is 11122220022169. The next prime is 11122220022223. The reversal of 11122220022201 is 10222002222111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5677926465600 + 5444293556601 = 2382840^2 + 2333301^2 .

It is not a de Polignac number, because 11122220022201 - 2⁵ = 11122220022169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122220021201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617901112336 + ... + 617901112353.

Almost surely, 2^{11122220022201} is an apocalyptic number.

It is an amenable number.

11122220022201 is a deficient number, since it is larger than the sum of its proper divisors (4943208898769).

11122220022201 is a wasteful number, since it uses less digits than its factorization.

11122220022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235802224695 (or 1235802224692 counting only the distinct ones).

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

Adding to 11122220022201 its reverse (10222002222111), we get a palindrome (21344222244312).

The spelling of 11122220022201 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty million, twenty-two thousand, two hundred one".