2122111013012 has 12 divisors (see below), whose sum is σ = 3841752696180. Its totient is φ = 1024467385536.

The previous prime is 2122111012993. The next prime is 2122111013017. The reversal of 2122111013012 is 2103101112212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1529189452816 + 592921560196 = 1236604^2 + 770014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122111013017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9147030113 + ... + 9147030344.

It is an arithmetic number, because the mean of its divisors is an integer number (320146058015).

Almost surely, 2^{2122111013012} is an apocalyptic number.

It is an amenable number.

2122111013012 is a deficient number, since it is larger than the sum of its proper divisors (1719641683168).

2122111013012 is a wasteful number, since it uses less digits than its factorization.

2122111013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18294060490 (or 18294060488 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2122111013012 its reverse (2103101112212), we get a palindrome (4225212125224).

The spelling of 2122111013012 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, thirteen thousand, twelve".