2112120202222 has 16 divisors (see below), whose sum is σ = 3174246351360. Its totient is φ = 1054039014648.

The previous prime is 2112120202201. The next prime is 2112120202261. The reversal of 2112120202222 is 2222020212112.

It is a super-2 number, since 2×2112120202222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112120202222.

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 7 ways as a sum of consecutive naturals, for example, 4357513 + ... + 4817899.

It is an arithmetic number, because the mean of its divisors is an integer number (198390396960).

Almost surely, 2^{2112120202222} is an apocalyptic number.

2112120202222 is a deficient number, since it is larger than the sum of its proper divisors (1062126149138).

2112120202222 is a wasteful number, since it uses less digits than its factorization.

2112120202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464775.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2112120202222 its reverse (2222020212112), we get a palindrome (4334140414334).

The spelling of 2112120202222 in words is "two trillion, one hundred twelve billion, one hundred twenty million, two hundred two thousand, two hundred twenty-two".