12220022221101 has 6 divisors (see below), whose sum is σ = 17651143208270. Its totient is φ = 8146681480728.

The previous prime is 12220022221093. The next prime is 12220022221213. The reversal of 12220022221101 is 10112222002221.

It is a happy number.

12220022221101 is a `hidden beast` number, since 12 + 220 + 0 + 222 + 211 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12103093102500 + 116929118601 = 3478950^2 + 341949^2 .

It is not a de Polignac number, because 12220022221101 - 2³ = 12220022221093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220022221501) 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, 678890123386 + ... + 678890123403.

Almost surely, 2^{12220022221101} is an apocalyptic number.

It is an amenable number.

12220022221101 is a deficient number, since it is larger than the sum of its proper divisors (5431120987169).

12220022221101 is a wasteful number, since it uses less digits than its factorization.

12220022221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357780246795 (or 1357780246792 counting only the distinct ones).

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

Adding to 12220022221101 its reverse (10112222002221), we get a palindrome (22332244223322).

The spelling of 12220022221101 in words is "twelve trillion, two hundred twenty billion, twenty-two million, two hundred twenty-one thousand, one hundred one".