2122121014218 has 12 divisors (see below), whose sum is σ = 4597928864178. Its totient is φ = 707373671400.

The previous prime is 2122121014217. The next prime is 2122121014253. The reversal of 2122121014218 is 8124101212212.

2122121014218 is a `hidden beast` number, since 2 + 1 + 2 + 21 + 210 + 1 + 421 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1779014437209 + 343106577009 = 1333797^2 + 585753^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2122121014191 and 2122121014200.

It is not an unprimeable number, because it can be changed into a prime (2122121014217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58947805933 + ... + 58947805968.

Almost surely, 2^{2122121014218} is an apocalyptic number.

2122121014218 is an abundant number, since it is smaller than the sum of its proper divisors (2475807849960).

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

2122121014218 is a wasteful number, since it uses less digits than its factorization.

2122121014218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117895611909 (or 117895611906 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The spelling of 2122121014218 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, fourteen thousand, two hundred eighteen".