1110323213021 has 6 divisors (see below), whose sum is σ = 1220437911966. Its totient is φ = 1009384739000.

The previous prime is 1110323212997. The next prime is 1110323213029. The reversal of 1110323213021 is 1203123230111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 578605156921 + 531718056100 = 760661^2 + 729190^2 .

It is not a de Polignac number, because 1110323213021 - 2¹⁰ = 1110323211997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110323212984 and 1110323213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110323213029) 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 5 ways as a sum of consecutive naturals, for example, 4588112330 + ... + 4588112571.

It is an arithmetic number, because the mean of its divisors is an integer number (203406318661).

Almost surely, 2^{1110323213021} is an apocalyptic number.

1110323213021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110323213021 is a deficient number, since it is larger than the sum of its proper divisors (110114698945).

1110323213021 is an equidigital number, since it uses as much as digits as its factorization.

1110323213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9176224923 (or 9176224912 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1110323213021 its reverse (1203123230111), we get a palindrome (2313446443132).

The spelling of 1110323213021 in words is "one trillion, one hundred ten billion, three hundred twenty-three million, two hundred thirteen thousand, twenty-one".