220011112 has 8 divisors (see below), whose sum is σ = 412520850. Its totient is φ = 110005552.

The previous prime is 220011107. The next prime is 220011149. The reversal of 220011112 is 211110022.

It can be written as a sum of positive squares in only one way, i.e., 219454596 + 556516 = 14814^2 + 746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×220011112³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750687 + ... + 13750702.

Almost surely, 2^220011112 is an apocalyptic number.

It is an amenable number.

220011112 is a deficient number, since it is larger than the sum of its proper divisors (192509738).

220011112 is a wasteful number, since it uses less digits than its factorization.

220011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27501395 (or 27501391 counting only the distinct ones).

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

The square root of 220011112 is about 14832.7715549050. The cubic root of 220011112 is about 603.6912373027.

Adding to 220011112 its reverse (211110022), we get a palindrome (431121134).

The spelling of 220011112 in words is "two hundred twenty million, eleven thousand, one hundred twelve".