1113104021 has 8 divisors (see below), whose sum is σ = 1166365440. Its totient is φ = 1060248112.

The previous prime is 1113103993. The next prime is 1113104029. The reversal of 1113104021 is 1204013111.

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

It is a de Polignac number, because none of the positive numbers 2^k-1113104021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113103987 and 1113104005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113104029) 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, 95750 + ... + 106743.

It is an arithmetic number, because the mean of its divisors is an integer number (145795680).

Almost surely, 2^1113104021 is an apocalyptic number.

It is an amenable number.

1113104021 is a deficient number, since it is larger than the sum of its proper divisors (53261419).

1113104021 is a wasteful number, since it uses less digits than its factorization.

1113104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202755.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1113104021 is about 33363.2135892213. The cubic root of 1113104021 is about 1036.3630422297.

Adding to 1113104021 its reverse (1204013111), we get a palindrome (2317117132).

The spelling of 1113104021 in words is "one billion, one hundred thirteen million, one hundred four thousand, twenty-one".