2112022122021 has 192 divisors, whose sum is σ = 3819670732800. Its totient is φ = 1097252352000.

The previous prime is 2112022122011. The next prime is 2112022122109. The reversal of 2112022122021 is 1202212202112.

It is a happy number.

2112022122021 is a `hidden beast` number, since 211 + 202 + 212 + 20 + 21 = 666.

It is not a de Polignac number, because 2112022122021 - 2¹³ = 2112022113829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112022121985 and 2112022122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112022122011) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1834944796 + ... + 1834945946.

It is an arithmetic number, because the mean of its divisors is an integer number (19894118400).

Almost surely, 2^{2112022122021} is an apocalyptic number.

2112022122021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2112022122021 is a deficient number, since it is larger than the sum of its proper divisors (1707648610779).

2112022122021 is a wasteful number, since it uses less digits than its factorization.

2112022122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1717 counting only the distinct ones).

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

Adding to 2112022122021 its reverse (1202212202112), we get a palindrome (3314234324133).

The spelling of 2112022122021 in words is "two trillion, one hundred twelve billion, twenty-two million, one hundred twenty-two thousand, twenty-one".