1113045928021 has 4 divisors (see below), whose sum is σ = 1113048601600. Its totient is φ = 1113043254444.

The previous prime is 1113045927953. The next prime is 1113045928061. The reversal of 1113045928021 is 1208295403111.

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 a cyclic number.

It is not a de Polignac number, because 1113045928021 - 2¹³ = 1113045919829 is a prime.

It is a super-2 number, since 2×1113045928021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113045928061) 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, 563031 + ... + 1594708.

It is an arithmetic number, because the mean of its divisors is an integer number (278262150400).

Almost surely, 2^{1113045928021} is an apocalyptic number.

It is an amenable number.

1113045928021 is a deficient number, since it is larger than the sum of its proper divisors (2673579).

1113045928021 is an equidigital number, since it uses as much as digits as its factorization.

1113045928021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673578.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 1113045928021 in words is "one trillion, one hundred thirteen billion, forty-five million, nine hundred twenty-eight thousand, twenty-one".