2212121012122 has 48 divisors (see below), whose sum is σ = 3901869923328. Its totient is φ = 937794049920.

The previous prime is 2212121012117. The next prime is 2212121012131. The reversal of 2212121012122 is 2212101212122.

2212121012122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2212121012122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3930597 + ... + 4458007.

It is an arithmetic number, because the mean of its divisors is an integer number (81288956736).

Almost surely, 2^{2212121012122} is an apocalyptic number.

2212121012122 is a deficient number, since it is larger than the sum of its proper divisors (1689748911206).

2212121012122 is a wasteful number, since it uses less digits than its factorization.

2212121012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527891 (or 527884 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2212121012122 its reverse (2212101212122), we get a palindrome (4424222224244).

The spelling of 2212121012122 in words is "two trillion, two hundred twelve billion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".