2021202210212 has 12 divisors (see below), whose sum is σ = 3538088336076. Its totient is φ = 1010319828480.

The previous prime is 2021202210211. The next prime is 2021202210217. The reversal of 2021202210212 is 2120122021202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1247407531876 + 773794678336 = 1116874^2 + 879656^2 .

It is not an unprimeable number, because it can be changed into a prime (2021202210211) 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 3 ways as a sum of consecutive naturals, for example, 70302989 + ... + 70331732.

It is an arithmetic number, because the mean of its divisors is an integer number (294840694673).

Almost surely, 2^{2021202210212} is an apocalyptic number.

It is an amenable number.

2021202210212 is a deficient number, since it is larger than the sum of its proper divisors (1516886125864).

2021202210212 is a wasteful number, since it uses less digits than its factorization.

2021202210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140638318 (or 140638316 counting only the distinct ones).

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

Adding to 2021202210212 its reverse (2120122021202), we get a palindrome (4141324231414).

The spelling of 2021202210212 in words is "two trillion, twenty-one billion, two hundred two million, two hundred ten thousand, two hundred twelve".