220111010220222 has 80 divisors (see below), whose sum is σ = 538175073067632. Its totient is φ = 66684694106880.

The previous prime is 220111010220217. The next prime is 220111010220247. The reversal of 220111010220222 is 222022010111022.

It is a happy number.

220111010220222 is a `hidden beast` number, since 2 + 201 + 1 + 10 + 10 + 220 + 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 = 220111010220195 and 220111010220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6838953 + ... + 22067924.

Almost surely, 2^{220111010220222} is an apocalyptic number.

220111010220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220111010220222 is an abundant number, since it is smaller than the sum of its proper divisors (318064062847410).

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

220111010220222 is a wasteful number, since it uses less digits than its factorization.

220111010220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28911175 (or 28911166 counting only the distinct ones).

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

Adding to 220111010220222 its reverse (222022010111022), we get a palindrome (442133020331244).

The spelling of 220111010220222 in words is "two hundred twenty trillion, one hundred eleven billion, ten million, two hundred twenty thousand, two hundred twenty-two".