220111101021222 has 40 divisors (see below), whose sum is σ = 505241470381032. Its totient is φ = 71580845858400.

The previous prime is 220111101021211. The next prime is 220111101021289. The reversal of 220111101021222 is 222120101111022.

220111101021222 is a `hidden beast` number, since 220 + 11 + 110 + 102 + 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 = 220111101021195 and 220111101021204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16569633604 + ... + 16569646887.

Almost surely, 2^{220111101021222} is an apocalyptic number.

220111101021222 is an abundant number, since it is smaller than the sum of its proper divisors (285130369359810).

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

220111101021222 is a wasteful number, since it uses less digits than its factorization.

220111101021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33139280546 (or 33139280537 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220111101021222 its reverse (222120101111022), we get a palindrome (442231202132244).

The spelling of 220111101021222 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred one million, twenty-one thousand, two hundred twenty-two".