1110891308021 has 24 divisors (see below), whose sum is σ = 1238772427200. Its totient is φ = 995265532800.

The previous prime is 1110891307997. The next prime is 1110891308029. The reversal of 1110891308021 is 1208031980111.

It is not a de Polignac number, because 1110891308021 - 2¹⁴ = 1110891291637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110891308029) 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 23 ways as a sum of consecutive naturals, for example, 21787085 + ... + 21838013.

It is an arithmetic number, because the mean of its divisors is an integer number (51615517800).

Almost surely, 2^{1110891308021} is an apocalyptic number.

1110891308021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110891308021 is a deficient number, since it is larger than the sum of its proper divisors (127881119179).

1110891308021 is a wasteful number, since it uses less digits than its factorization.

1110891308021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53561 (or 53550 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 35.

The spelling of 1110891308021 in words is "one trillion, one hundred ten billion, eight hundred ninety-one million, three hundred eight thousand, twenty-one".