220101112 has 64 divisors (see below), whose sum is σ = 519667200. Its totient is φ = 84896640.

The previous prime is 220101109. The next prime is 220101113. The reversal of 220101112 is 211101022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61714 + ... + 65182.

It is an arithmetic number, because the mean of its divisors is an integer number (8119800).

Almost surely, 2^220101112 is an apocalyptic number.

220101112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259833600).

220101112 is an abundant number, since it is smaller than the sum of its proper divisors (299566088).

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

220101112 is a wasteful number, since it uses less digits than its factorization.

220101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 3592 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 220101112 is about 14835.8050674711. The cubic root of 220101112 is about 603.7735434553.

Adding to 220101112 its reverse (211101022), we get a palindrome (431202134).

The spelling of 220101112 in words is "two hundred twenty million, one hundred one thousand, one hundred twelve".