2021213022 has 32 divisors (see below), whose sum is σ = 4154312448. Its totient is φ = 655225536.

The previous prime is 2021213009. The next prime is 2021213057. The reversal of 2021213022 is 2203121202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021212992 and 2021213010.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 43303 + ... + 76925.

It is an arithmetic number, because the mean of its divisors is an integer number (129822264).

Almost surely, 2^2021213022 is an apocalyptic number.

2021213022 is an abundant number, since it is smaller than the sum of its proper divisors (2133099426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021213022 is a wasteful number, since it uses less digits than its factorization.

2021213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33904.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2021213022 is about 44957.9027758191. The cubic root of 2021213022 is about 1264.3598487912.

Adding to 2021213022 its reverse (2203121202), we get a palindrome (4224334224).

The spelling of 2021213022 in words is "two billion, twenty-one million, two hundred thirteen thousand, twenty-two".