212022212021 has 8 divisors (see below), whose sum is σ = 214051074720. Its totient is φ = 210002229072.

The previous prime is 212022211997. The next prime is 212022212041. The reversal of 212022212021 is 120212220212.

It is a happy number.

212022212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212022212021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022212041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171951 + ... + 2267468.

It is an arithmetic number, because the mean of its divisors is an integer number (26756384340).

Almost surely, 2^212022212021 is an apocalyptic number.

It is an amenable number.

212022212021 is a deficient number, since it is larger than the sum of its proper divisors (2028862699).

212022212021 is a wasteful number, since it uses less digits than its factorization.

212022212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439875.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212022212021 its reverse (120212220212), we get a palindrome (332234432233).

The spelling of 212022212021 in words is "two hundred twelve billion, twenty-two million, two hundred twelve thousand, twenty-one".