2021022212 has 24 divisors (see below), whose sum is σ = 3877917120. Its totient is φ = 913979360.

The previous prime is 2021022197. The next prime is 2021022217. The reversal of 2021022212 is 2122201202.

It is not an unprimeable number, because it can be changed into a prime (2021022217) 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, 107912 + ... + 125247.

It is an arithmetic number, because the mean of its divisors is an integer number (161579880).

Almost surely, 2^2021022212 is an apocalyptic number.

2021022212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2021022212 is a deficient number, since it is larger than the sum of its proper divisors (1856894908).

2021022212 is a wasteful number, since it uses less digits than its factorization.

2021022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233371 (or 233369 counting only the distinct ones).

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

The square root of 2021022212 is about 44955.7806294141. The cubic root of 2021022212 is about 1264.3200607873.

Adding to 2021022212 its reverse (2122201202), we get a palindrome (4143223414).

The spelling of 2021022212 in words is "two billion, twenty-one million, twenty-two thousand, two hundred twelve".