1113033103021 has 4 divisors (see below), whose sum is σ = 1272037832032. Its totient is φ = 954028374012.

The previous prime is 1113033102949. The next prime is 1113033103073. The reversal of 1113033103021 is 1203013303111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1113033103021 - 2¹³ = 1113033094829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113033103021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113033103321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79502364495 + ... + 79502364508.

It is an arithmetic number, because the mean of its divisors is an integer number (318009458008).

Almost surely, 2^{1113033103021} is an apocalyptic number.

It is an amenable number.

1113033103021 is a deficient number, since it is larger than the sum of its proper divisors (159004729011).

1113033103021 is an equidigital number, since it uses as much as digits as its factorization.

1113033103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159004729010.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1113033103021 its reverse (1203013303111), we get a palindrome (2316046406132).

The spelling of 1113033103021 in words is "one trillion, one hundred thirteen billion, thirty-three million, one hundred three thousand, twenty-one".