1112021103 has 16 divisors (see below), whose sum is σ = 1499936256. Its totient is φ = 732777120.

The previous prime is 1112021093. The next prime is 1112021111. The reversal of 1112021103 is 3011202111.

It is not a de Polignac number, because 1112021103 - 2⁶ = 1112021039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112021123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84550 + ... + 96812.

It is an arithmetic number, because the mean of its divisors is an integer number (93746016).

Almost surely, 2^1112021103 is an apocalyptic number.

1112021103 is a deficient number, since it is larger than the sum of its proper divisors (387915153).

1112021103 is a wasteful number, since it uses less digits than its factorization.

1112021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614.

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

The square root of 1112021103 is about 33346.9804180229. The cubic root of 1112021103 is about 1036.0268471325.

Adding to 1112021103 its reverse (3011202111), we get a palindrome (4123223214).

It can be divided in two parts, 11120 and 21103, that added together give a palindrome (32223).

The spelling of 1112021103 in words is "one billion, one hundred twelve million, twenty-one thousand, one hundred three".