1110021456243 has 24 divisors (see below), whose sum is σ = 1822940402832. Its totient is φ = 596986328064.

The previous prime is 1110021456241. The next prime is 1110021456259. The reversal of 1110021456243 is 3426541200111.

It is not a de Polignac number, because 1110021456243 - 2¹ = 1110021456241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110021456243.

It is not an unprimeable number, because it can be changed into a prime (1110021456241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222090630 + ... + 222095627.

It is an arithmetic number, because the mean of its divisors is an integer number (75955850118).

Almost surely, 2^{1110021456243} is an apocalyptic number.

1110021456243 is a deficient number, since it is larger than the sum of its proper divisors (712918946589).

1110021456243 is a wasteful number, since it uses less digits than its factorization.

1110021456243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444186291 (or 444186284 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 1110021456243 its reverse (3426541200111), we get a palindrome (4536562656354).

The spelling of 1110021456243 in words is "one trillion, one hundred ten billion, twenty-one million, four hundred fifty-six thousand, two hundred forty-three".