11221220010222 has 12 divisors (see below), whose sum is σ = 24312643355520. Its totient is φ = 3740406670068.

The previous prime is 11221220010181. The next prime is 11221220010223. The reversal of 11221220010222 is 22201002212211.

It is a happy number.

11221220010222 is a `hidden beast` number, since 1 + 1 + 221 + 220 + 0 + 1 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 623401111679 = 11221220010222 / (1 + 1 + 2 + 2 + 1 + 2 + 2 + 0 + 0 + 1 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 11221220010195 and 11221220010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221220010223) 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, 311700555822 + ... + 311700555857.

It is an arithmetic number, because the mean of its divisors is an integer number (2026053612960).

Almost surely, 2^{11221220010222} is an apocalyptic number.

11221220010222 is an abundant number, since it is smaller than the sum of its proper divisors (13091423345298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221220010222 is a wasteful number, since it uses less digits than its factorization.

11221220010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623401111687 (or 623401111684 counting only the distinct ones).

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

Adding to 11221220010222 its reverse (22201002212211), we get a palindrome (33422222222433).

The spelling of 11221220010222 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty million, ten thousand, two hundred twenty-two".