2211131130021 has 12 divisors (see below), whose sum is σ = 3484206629280. Its totient is φ = 1340079472680.

The previous prime is 2211131130011. The next prime is 2211131130023. The reversal of 2211131130021 is 1200311311122.

2211131130021 is a `hidden beast` number, since 2 + 21 + 11 + 311 + 300 + 21 = 666.

It is not a de Polignac number, because 2211131130021 - 2¹⁴ = 2211131113637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211131129976 and 2211131130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211131130023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11167328841 + ... + 11167329038.

It is an arithmetic number, because the mean of its divisors is an integer number (290350552440).

Almost surely, 2^{2211131130021} is an apocalyptic number.

It is an amenable number.

2211131130021 is a deficient number, since it is larger than the sum of its proper divisors (1273075499259).

2211131130021 is a wasteful number, since it uses less digits than its factorization.

2211131130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22334657896 (or 22334657893 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2211131130021 its reverse (1200311311122), we get a palindrome (3411442441143).

The spelling of 2211131130021 in words is "two trillion, two hundred eleven billion, one hundred thirty-one million, one hundred thirty thousand, twenty-one".