2212120001122 has 16 divisors (see below), whose sum is σ = 3373615708632. Its totient is φ = 1087671352320.

The previous prime is 2212120001087. The next prime is 2212120001123. The reversal of 2212120001122 is 2211000212122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2146931188081 + 65188813041 = 1465241^2 + 255321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2212120001096 and 2212120001105.

It is not an unprimeable number, because it can be changed into a prime (2212120001123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22430779 + ... + 22529182.

Almost surely, 2^{2212120001122} is an apocalyptic number.

2212120001122 is a deficient number, since it is larger than the sum of its proper divisors (1161495707510).

2212120001122 is a wasteful number, since it uses less digits than its factorization.

2212120001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44960373.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2212120001122 its reverse (2211000212122), we get a palindrome (4423120213244).

The spelling of 2212120001122 in words is "two trillion, two hundred twelve billion, one hundred twenty million, one thousand, one hundred twenty-two".