220112210122222 has 64 divisors (see below), whose sum is σ = 362817871351488. Its totient is φ = 99321643008000.

The previous prime is 220112210122171. The next prime is 220112210122229. The reversal of 220112210122222 is 222221012211022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 220112210122193 and 220112210122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112210122229) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5065035918 + ... + 5065079374.

It is an arithmetic number, because the mean of its divisors is an integer number (5669029239867).

Almost surely, 2^{220112210122222} is an apocalyptic number.

220112210122222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220112210122222 is a deficient number, since it is larger than the sum of its proper divisors (142705661229266).

220112210122222 is a wasteful number, since it uses less digits than its factorization.

220112210122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46165.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 220112210122222 its reverse (222221012211022), we get a palindrome (442333222333244).

The spelling of 220112210122222 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty-two".