201020022221212 has 6 divisors (see below), whose sum is σ = 351785038887128. Its totient is φ = 100510011110604.

The previous prime is 201020022221159. The next prime is 201020022221261. The reversal of 201020022221212 is 212122220020102.

It is a self number, because there is not a number n which added to its sum of digits gives 201020022221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25127502777648 + ... + 25127502777655.

Almost surely, 2^{201020022221212} is an apocalyptic number.

It is an amenable number.

201020022221212 is a deficient number, since it is larger than the sum of its proper divisors (150765016665916).

201020022221212 is a wasteful number, since it uses less digits than its factorization.

201020022221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50255005555307 (or 50255005555305 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201020022221212 its reverse (212122220020102), we get a palindrome (413142242241314).

The spelling of 201020022221212 in words is "two hundred one trillion, twenty billion, twenty-two million, two hundred twenty-one thousand, two hundred twelve".