2212044050021 has 4 divisors (see below), whose sum is σ = 2382201284652. Its totient is φ = 2041886815392.

The previous prime is 2212044049997. The next prime is 2212044050101. The reversal of 2212044050021 is 1200504402122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 474355900225 + 1737688149796 = 688735^2 + 1318214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212044050021 - 2¹⁴ = 2212044033637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212044050221) 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, 85078617296 + ... + 85078617321.

It is an arithmetic number, because the mean of its divisors is an integer number (595550321163).

Almost surely, 2^{2212044050021} is an apocalyptic number.

It is an amenable number.

2212044050021 is a deficient number, since it is larger than the sum of its proper divisors (170157234631).

2212044050021 is a wasteful number, since it uses less digits than its factorization.

2212044050021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170157234630.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 2212044050021 its reverse (1200504402122), we get a palindrome (3412548452143).

The spelling of 2212044050021 in words is "two trillion, two hundred twelve billion, forty-four million, fifty thousand, twenty-one".