220111111101222 has 48 divisors (see below), whose sum is σ = 526848229140480. Its totient is φ = 65856028633200.

The previous prime is 220111111101221. The next prime is 220111111101239. The reversal of 220111111101222 is 222101111111022.

It is a happy number.

220111111101222 is a `hidden beast` number, since 220 + 1 + 1 + 111 + 110 + 1 + 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 = 220111111101195 and 220111111101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111111101221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7035884854 + ... + 7035916137.

It is an arithmetic number, because the mean of its divisors is an integer number (10976004773760).

Almost surely, 2^{220111111101222} is an apocalyptic number.

220111111101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220111111101222 is an abundant number, since it is smaller than the sum of its proper divisors (306737118039258).

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

220111111101222 is a wasteful number, since it uses less digits than its factorization.

220111111101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071801089 (or 14071801086 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 220111111101222 its reverse (222101111111022), we get a palindrome (442212222212244).

The spelling of 220111111101222 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred eleven million, one hundred one thousand, two hundred twenty-two".