201110122110220 has 12 divisors (see below), whose sum is σ = 422331256431504. Its totient is φ = 80444048844080.

The previous prime is 201110122110217. The next prime is 201110122110229. The reversal of 201110122110220 is 22011221011102.

201110122110220 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201110122110194 and 201110122110203.

It is not an unprimeable number, because it can be changed into a prime (201110122110229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027753052736 + ... + 5027753052775.

It is an arithmetic number, because the mean of its divisors is an integer number (35194271369292).

Almost surely, 2^{201110122110220} is an apocalyptic number.

201110122110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201110122110220 is an abundant number, since it is smaller than the sum of its proper divisors (221221134321284).

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

201110122110220 is a wasteful number, since it uses less digits than its factorization.

201110122110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055506105520 (or 10055506105518 counting only the distinct ones).

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

Adding to 201110122110220 its reverse (22011221011102), we get a palindrome (223121343121322).

The spelling of 201110122110220 in words is "two hundred one trillion, one hundred ten billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty".