201122022212 has 12 divisors (see below), whose sum is σ = 353164781676. Its totient is φ = 100217798880.

The previous prime is 201122022149. The next prime is 201122022217. The reversal of 201122022212 is 212220221102.

It is a happy number.

201122022212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124761542656 + 76360479556 = 353216^2 + 276334^2 .

It is not an unprimeable number, because it can be changed into a prime (201122022217) 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, 85801739 + ... + 85804082.

It is an arithmetic number, because the mean of its divisors is an integer number (29430398473).

Almost surely, 2^201122022212 is an apocalyptic number.

It is an amenable number.

201122022212 is a deficient number, since it is larger than the sum of its proper divisors (152042759464).

201122022212 is a wasteful number, since it uses less digits than its factorization.

201122022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171606118 (or 171606116 counting only the distinct ones).

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

Adding to 201122022212 its reverse (212220221102), we get a palindrome (413342243314).

The spelling of 201122022212 in words is "two hundred one billion, one hundred twenty-two million, twenty-two thousand, two hundred twelve".