11220210201222 has 128 divisors (see below), whose sum is σ = 27688402368000. Its totient is φ = 3339189066240.

The previous prime is 11220210201173. The next prime is 11220210201241. The reversal of 11220210201222 is 22210201202211.

It is a happy number.

11220210201222 is a `hidden beast` number, since 1 + 1 + 220 + 21 + 0 + 201 + 222 = 666.

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 = 11220210201195 and 11220210201204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36047554 + ... + 36357482.

It is an arithmetic number, because the mean of its divisors is an integer number (216315643500).

Almost surely, 2^{11220210201222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220210201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13844201184000).

11220210201222 is an abundant number, since it is smaller than the sum of its proper divisors (16468192166778).

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

11220210201222 is a wasteful number, since it uses less digits than its factorization.

11220210201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311043 (or 311037 counting only the distinct ones).

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

Adding to 11220210201222 its reverse (22210201202211), we get a palindrome (33430411403433).

The spelling of 11220210201222 in words is "eleven trillion, two hundred twenty billion, two hundred ten million, two hundred one thousand, two hundred twenty-two".