2112200001222 has 16 divisors (see below), whose sum is σ = 4226622224112. Its totient is φ = 703696296800.

The previous prime is 2112200001193. The next prime is 2112200001227. The reversal of 2112200001222 is 2221000022112.

It is a super-2 number, since 2×2112200001222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112200001227) 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 7 ways as a sum of consecutive naturals, for example, 92580213 + ... + 92603024.

It is an arithmetic number, because the mean of its divisors is an integer number (264163889007).

Almost surely, 2^{2112200001222} is an apocalyptic number.

2112200001222 is an abundant number, since it is smaller than the sum of its proper divisors (2114422222890).

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

2112200001222 is a wasteful number, since it uses less digits than its factorization.

2112200001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185185143.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2112200001222 its reverse (2221000022112), we get a palindrome (4333200023334).

The spelling of 2112200001222 in words is "two trillion, one hundred twelve billion, two hundred million, one thousand, two hundred twenty-two".