201120021100220 has 96 divisors (see below), whose sum is σ = 432575470172160. Its totient is φ = 78525349056000.

The previous prime is 201120021100199. The next prime is 201120021100249. The reversal of 201120021100220 is 22001120021102.

It is a junction number, because it is equal to n+sod(n) for n = 201120021100195 and 201120021100204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191982845 + ... + 193027595.

It is an arithmetic number, because the mean of its divisors is an integer number (4505994480960).

Almost surely, 2^{201120021100220} is an apocalyptic number.

201120021100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120021100220 is an abundant number, since it is smaller than the sum of its proper divisors (231455449071940).

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

201120021100220 is a wasteful number, since it uses less digits than its factorization.

201120021100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046235 (or 1046233 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201120021100220 its reverse (22001120021102), we get a palindrome (223121141121322).

The spelling of 201120021100220 in words is "two hundred one trillion, one hundred twenty billion, twenty-one million, one hundred thousand, two hundred twenty".