201112021110 has 256 divisors, whose sum is σ = 665577658368. Its totient is φ = 37532160000.

The previous prime is 201112021069. The next prime is 201112021111. The reversal of 201112021110 is 11120211102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112021111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1020610 + ... + 1201610.

It is an arithmetic number, because the mean of its divisors is an integer number (2599912728).

Almost surely, 2^201112021110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201112021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332788829184).

201112021110 is an abundant number, since it is smaller than the sum of its proper divisors (464465637258).

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

201112021110 is a wasteful number, since it uses less digits than its factorization.

201112021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181079.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201112021110 its reverse (11120211102), we get a palindrome (212232232212).

The spelling of 201112021110 in words is "two hundred one billion, one hundred twelve million, twenty-one thousand, one hundred ten".