2021122 has 8 divisors (see below), whose sum is σ = 3077136. Its totient is φ = 995412.

The previous prime is 2021119. The next prime is 2021137. The reversal of 2021122 is 2211202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2021099 and 2021108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7408 + ... + 7675.

It is an arithmetic number, because the mean of its divisors is an integer number (384642).

2^2021122 is an apocalyptic number.

2021122 is a deficient number, since it is larger than the sum of its proper divisors (1056014).

2021122 is a wasteful number, since it uses less digits than its factorization.

2021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15152.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2021122 is about 1421.6617037819. The cubic root of 2021122 is about 126.4340869052.

Adding to 2021122 its reverse (2211202), we get a palindrome (4232324).

The spelling of 2021122 in words is "two million, twenty-one thousand, one hundred twenty-two".