2112222020211 has 8 divisors (see below), whose sum is σ = 3129217807760. Its totient is φ = 1408148013456.

The previous prime is 2112222020189. The next prime is 2112222020213. The reversal of 2112222020211 is 1120202222112.

It is a happy number.

2112222020211 is a `hidden beast` number, since 211 + 2 + 2 + 220 + 20 + 211 = 666.

It is not a de Polignac number, because 2112222020211 - 2²³ = 2112213631603 is a prime.

It is a super-2 number, since 2×2112222020211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112222020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39115222570 + ... + 39115222623.

It is an arithmetic number, because the mean of its divisors is an integer number (391152225970).

Almost surely, 2^{2112222020211} is an apocalyptic number.

2112222020211 is a deficient number, since it is larger than the sum of its proper divisors (1016995787549).

2112222020211 is an equidigital number, since it uses as much as digits as its factorization.

2112222020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78230445202 (or 78230445196 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112222020211 its reverse (1120202222112), we get a palindrome (3232424242323).

The spelling of 2112222020211 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, twenty thousand, two hundred eleven".