201021222212 has 24 divisors (see below), whose sum is σ = 353674513920. Its totient is φ = 99971497440.

The previous prime is 201021222211. The next prime is 201021222221. The reversal of 201021222212 is 212222120102.

It is a happy number.

201021222212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×201021222212³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (201021222211) 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, 9185339 + ... + 9207197.

It is an arithmetic number, because the mean of its divisors is an integer number (14736438080).

Almost surely, 2^201021222212 is an apocalyptic number.

It is an amenable number.

201021222212 is a deficient number, since it is larger than the sum of its proper divisors (152653291708).

201021222212 is a wasteful number, since it uses less digits than its factorization.

201021222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34091 (or 34089 counting only the distinct ones).

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

Adding to 201021222212 its reverse (212222120102), we get a palindrome (413243342314).

The spelling of 201021222212 in words is "two hundred one billion, twenty-one million, two hundred twenty-two thousand, two hundred twelve".