1113124000021 has 12 divisors (see below), whose sum is σ = 1256584480396. Its totient is φ = 984581421120.

The previous prime is 1113123999983. The next prime is 1113124000033. The reversal of 1113124000021 is 1200004213111.

It can be written as a sum of positive squares in 2 ways, for example, as 1082047246225 + 31076753796 = 1040215^2 + 176286^2 .

It is not a de Polignac number, because 1113124000021 - 2¹³ = 1113123991829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113123999959 and 1113124000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113124000721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124311360 + ... + 124320313.

Almost surely, 2^{1113124000021} is an apocalyptic number.

1113124000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113124000021 is a deficient number, since it is larger than the sum of its proper divisors (143460480375).

1113124000021 is a wasteful number, since it uses less digits than its factorization.

1113124000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248631732 (or 248631721 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1113124000021 its reverse (1200004213111), we get a palindrome (2313128213132).

The spelling of 1113124000021 in words is "one trillion, one hundred thirteen billion, one hundred twenty-four million, twenty-one", and thus it is an aban number.