1110043221101 has 4 divisors (see below), whose sum is σ = 1110617482332. Its totient is φ = 1109468959872.

The previous prime is 1110043221073. The next prime is 1110043221103. The reversal of 1110043221101 is 1011223400111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 502469740201 + 607573480900 = 708851^2 + 779470^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110043221101 - 2¹⁸ = 1110042958957 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 1110043221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110043221103) 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, 287127716 + ... + 287131581.

It is an arithmetic number, because the mean of its divisors is an integer number (277654370583).

Almost surely, 2^{1110043221101} is an apocalyptic number.

It is an amenable number.

1110043221101 is a deficient number, since it is larger than the sum of its proper divisors (574261231).

1110043221101 is an equidigital number, since it uses as much as digits as its factorization.

1110043221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574261230.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1110043221101 its reverse (1011223400111), we get a palindrome (2121266621212).

The spelling of 1110043221101 in words is "one trillion, one hundred ten billion, forty-three million, two hundred twenty-one thousand, one hundred one".