201022221211212 has 36 divisors (see below), whose sum is σ = 498266151545960. Its totient is φ = 63065794888704.

The previous prime is 201022221211211. The next prime is 201022221211237. The reversal of 201022221211212 is 212112122220102.

It is not an unprimeable number, because it can be changed into a prime (201022221211211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28982439037 + ... + 28982445972.

Almost surely, 2^{201022221211212} is an apocalyptic number.

It is an amenable number.

201022221211212 is an abundant number, since it is smaller than the sum of its proper divisors (297243930334748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201022221211212 is a wasteful number, since it uses less digits than its factorization.

201022221211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57964885050 (or 57964885031 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 201022221211212 its reverse (212112122220102), we get a palindrome (413134343431314).

The spelling of 201022221211212 in words is "two hundred one trillion, twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twelve".