2021022122 has 64 divisors (see below), whose sum is σ = 3738009600. Its totient is φ = 800936640.

The previous prime is 2021022119. The next prime is 2021022149. The reversal of 2021022122 is 2212201202.

It is a super-2 number, since 2×2021022122² = 8169060835226765768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2021022097 and 2021022106.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1295579 + ... + 1297137.

It is an arithmetic number, because the mean of its divisors is an integer number (58406400).

Almost surely, 2^2021022122 is an apocalyptic number.

2021022122 is a deficient number, since it is larger than the sum of its proper divisors (1716987478).

2021022122 is a wasteful number, since it uses less digits than its factorization.

2021022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2021022122 is about 44955.7796284304. The cubic root of 2021022122 is about 1264.3200420198.

Adding to 2021022122 its reverse (2212201202), we get a palindrome (4233223324).

The spelling of 2021022122 in words is "two billion, twenty-one million, twenty-two thousand, one hundred twenty-two".