201120221122212 has 24 divisors (see below), whose sum is σ = 536320589659456. Its totient is φ = 57462920320608.

The previous prime is 201120221122201. The next prime is 201120221122217. The reversal of 201120221122212 is 212221122021102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (201120221122217) 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, 1197144173263 + ... + 1197144173430.

Almost surely, 2^{201120221122212} is an apocalyptic number.

It is an amenable number.

201120221122212 is an abundant number, since it is smaller than the sum of its proper divisors (335200368537244).

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

201120221122212 is a wasteful number, since it uses less digits than its factorization.

201120221122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394288346707 (or 2394288346705 counting only the distinct ones).

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

Adding to 201120221122212 its reverse (212221122021102), we get a palindrome (413341343143314).

The spelling of 201120221122212 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twelve".