201120110211220 has 48 divisors (see below), whose sum is σ = 436949703565200. Its totient is φ = 77667999897600.

The previous prime is 201120110211193. The next prime is 201120110211269. The reversal of 201120110211220 is 22112011021102.

It can be written as a sum of positive squares in 8 ways, for example, as 2202766525584 + 198917343685636 = 1484172^2 + 14103806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201120110211194 and 201120110211203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5782431 + ... + 20872870.

It is an arithmetic number, because the mean of its divisors is an integer number (9103118824275).

Almost surely, 2^{201120110211220} is an apocalyptic number.

201120110211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120110211220 is an abundant number, since it is smaller than the sum of its proper divisors (235829593353980).

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

201120110211220 is a wasteful number, since it uses less digits than its factorization.

201120110211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26668348 (or 26668346 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201120110211220 its reverse (22112011021102), we get a palindrome (223232121232322).

The spelling of 201120110211220 in words is "two hundred one trillion, one hundred twenty billion, one hundred ten million, two hundred eleven thousand, two hundred twenty".