11222200101222 has 120 divisors (see below), whose sum is σ = 27656524343448. Its totient is φ = 3398616809280.

The previous prime is 11222200101181. The next prime is 11222200101227. The reversal of 11222200101222 is 22210100222211.

It is a happy number.

11222200101222 is a `hidden beast` number, since 1 + 122 + 220 + 0 + 101 + 222 = 666.

It is a super-2 number, since 2×11222200101222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11222200101195 and 11222200101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222200101227) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 32504818 + ... + 32848250.

Almost surely, 2^{11222200101222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222200101222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13828262171724).

11222200101222 is an abundant number, since it is smaller than the sum of its proper divisors (16434324242226).

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

11222200101222 is a wasteful number, since it uses less digits than its factorization.

11222200101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345136 (or 345116 counting only the distinct ones).

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

Adding to 11222200101222 its reverse (22210100222211), we get a palindrome (33432300323433).

The spelling of 11222200101222 in words is "eleven trillion, two hundred twenty-two billion, two hundred million, one hundred one thousand, two hundred twenty-two".