201201120211220 has 24 divisors (see below), whose sum is σ = 422870680897224. Its totient is φ = 80414099807616.

The previous prime is 201201120211213. The next prime is 201201120211237. The reversal of 201201120211220 is 22112021102102.

201201120211220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6365417988484 + 194835702222736 = 2522978^2 + 13958356^2 .

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, 4146742439 + ... + 4146790958.

It is an arithmetic number, because the mean of its divisors is an integer number (17619611704051).

Almost surely, 2^{201201120211220} is an apocalyptic number.

201201120211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201201120211220 is an abundant number, since it is smaller than the sum of its proper divisors (221669560686004).

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

201201120211220 is a wasteful number, since it uses less digits than its factorization.

201201120211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293534619 (or 8293534617 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201201120211220 its reverse (22112021102102), we get a palindrome (223313141313322).

The spelling of 201201120211220 in words is "two hundred one trillion, two hundred one billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty".