2220011211222 has 144 divisors (see below), whose sum is σ = 5702316842976. Its totient is φ = 611022528000.

The previous prime is 2220011211211. The next prime is 2220011211263. The reversal of 2220011211222 is 2221121100222.

It is a happy number.

2220011211222 is a `hidden beast` number, since 2 + 220 + 0 + 11 + 211 + 222 = 666.

2220011211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2220011211195 and 2220011211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47533722 + ... + 47580402.

Almost surely, 2^{2220011211222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220011211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2851158421488).

2220011211222 is an abundant number, since it is smaller than the sum of its proper divisors (3482305631754).

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

2220011211222 is a wasteful number, since it uses less digits than its factorization.

2220011211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46935 (or 46831 counting only the distinct ones).

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

Adding to 2220011211222 its reverse (2221121100222), we get a palindrome (4441132311444).

The spelling of 2220011211222 in words is "two trillion, two hundred twenty billion, eleven million, two hundred eleven thousand, two hundred twenty-two".