1112221101 has 8 divisors (see below), whose sum is σ = 1517449120. Its totient is φ = 724236912.

The previous prime is 1112221087. The next prime is 1112221111. The reversal of 1112221101 is 1011222111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112221101 - 2⁷ = 1112220973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112221111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4310806 + ... + 4311063.

It is an arithmetic number, because the mean of its divisors is an integer number (189681140).

Almost surely, 2^1112221101 is an apocalyptic number.

It is an amenable number.

1112221101 is a deficient number, since it is larger than the sum of its proper divisors (405228019).

1112221101 is an equidigital number, since it uses as much as digits as its factorization.

1112221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621915.

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

The square root of 1112221101 is about 33349.9790254807. The cubic root of 1112221101 is about 1036.0889535308.

Adding to 1112221101 its reverse (1011222111), we get a palindrome (2123443212).

It can be divided in two parts, 111222110 and 1, that added together give a palindrome (111222111).

The spelling of 1112221101 in words is "one billion, one hundred twelve million, two hundred twenty-one thousand, one hundred one".