1120220211222 has 96 divisors (see below), whose sum is σ = 2784904222464. Its totient is φ = 318791592000.

The previous prime is 1120220211203. The next prime is 1120220211223. The reversal of 1120220211222 is 2221120220211.

It is a happy number.

1120220211222 is a `hidden beast` number, since 1 + 12 + 0 + 220 + 211 + 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 = 1120220211195 and 1120220211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120220211223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155345197 + ... + 155352407.

It is an arithmetic number, because the mean of its divisors is an integer number (29009418984).

Almost surely, 2^{1120220211222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120220211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392452111232).

1120220211222 is an abundant number, since it is smaller than the sum of its proper divisors (1664684011242).

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

1120220211222 is a wasteful number, since it uses less digits than its factorization.

1120220211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954 (or 11951 counting only the distinct ones).

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

Adding to 1120220211222 its reverse (2221120220211), we get a palindrome (3341340431433).

It can be divided in two parts, 1120220211 and 222, that multiplied together give a palindrome (248688886842).

The spelling of 1120220211222 in words is "one trillion, one hundred twenty billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".