201221202000112 has 40 divisors (see below), whose sum is σ = 445640248627200. Its totient is φ = 86222364652992.

The previous prime is 201221202000101. The next prime is 201221202000131. The reversal of 201221202000112 is 211000202122102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158671312 + ... + 159934447.

It is an arithmetic number, because the mean of its divisors is an integer number (11141006215680).

Almost surely, 2^{201221202000112} is an apocalyptic number.

It is an amenable number.

201221202000112 is an abundant number, since it is smaller than the sum of its proper divisors (244419046627088).

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

201221202000112 is a wasteful number, since it uses less digits than its factorization.

201221202000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318611413 (or 318611407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201221202000112 its reverse (211000202122102), we get a palindrome (412221404122214).

The spelling of 201221202000112 in words is "two hundred one trillion, two hundred twenty-one billion, two hundred two million, one hundred twelve", and thus it is an aban number.