2021442122 has 16 divisors (see below), whose sum is σ = 3474990720. Its totient is φ = 863917008.

The previous prime is 2021442121. The next prime is 2021442131. The reversal of 2021442122 is 2212441202.

It is a junction number, because it is equal to n+sod(n) for n = 2021442094 and 2021442103.

It is not an unprimeable number, because it can be changed into a prime (2021442121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196073 + ... + 206124.

It is an arithmetic number, because the mean of its divisors is an integer number (217186920).

Almost surely, 2^2021442122 is an apocalyptic number.

2021442122 is a deficient number, since it is larger than the sum of its proper divisors (1453548598).

2021442122 is a wasteful number, since it uses less digits than its factorization.

2021442122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402565.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2021442122 is about 44960.4506427594. The cubic root of 2021442122 is about 1264.4076177785.

Adding to 2021442122 its reverse (2212441202), we get a palindrome (4233883324).

The spelling of 2021442122 in words is "two billion, twenty-one million, four hundred forty-two thousand, one hundred twenty-two".