1112310021 has 16 divisors (see below), whose sum is σ = 1529849600. Its totient is φ = 718331328.

The previous prime is 1112310007. The next prime is 1112310041. The reversal of 1112310021 is 1200132111.

It is not a de Polignac number, because 1112310021 - 2²² = 1108115717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112309979 and 1112310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112310041) 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, 3540 + ... + 47298.

It is an arithmetic number, because the mean of its divisors is an integer number (95615600).

Almost surely, 2^1112310021 is an apocalyptic number.

It is an amenable number.

1112310021 is a deficient number, since it is larger than the sum of its proper divisors (417539579).

1112310021 is a wasteful number, since it uses less digits than its factorization.

1112310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44028.

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

The square root of 1112310021 is about 33351.3121331080. The cubic root of 1112310021 is about 1036.1165639207.

Adding to 1112310021 its reverse (1200132111), we get a palindrome (2312442132).

It can be divided in two parts, 111 and 2310021, that added together give a palindrome (2310132).

The spelling of 1112310021 in words is "one billion, one hundred twelve million, three hundred ten thousand, twenty-one".