2162021504211 has 12 divisors (see below), whose sum is σ = 3123051734088. Its totient is φ = 1441286846304.

The previous prime is 2162021504173. The next prime is 2162021504213. The reversal of 2162021504211 is 1124051202612.

It is a happy number.

2162021504211 is a `hidden beast` number, since 2 + 1 + 6 + 20 + 215 + 0 + 421 + 1 = 666.

It is not a de Polignac number, because 2162021504211 - 2²¹ = 2162019407059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2162021504213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4842945 + ... + 5270498.

It is an arithmetic number, because the mean of its divisors is an integer number (260254311174).

Almost surely, 2^{2162021504211} is an apocalyptic number.

2162021504211 is a deficient number, since it is larger than the sum of its proper divisors (961030229877).

2162021504211 is a wasteful number, since it uses less digits than its factorization.

2162021504211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137202 (or 10137199 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 2162021504211 its reverse (1124051202612), we get a palindrome (3286072706823).

The spelling of 2162021504211 in words is "two trillion, one hundred sixty-two billion, twenty-one million, five hundred four thousand, two hundred eleven".