1103032310221 has 4 divisors (see below), whose sum is σ = 1103073074172. Its totient is φ = 1102991546272.

The previous prime is 1103032310189. The next prime is 1103032310249. The reversal of 1103032310221 is 1220132303011.

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 388610104996 + 714422205225 = 623386^2 + 845235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103032310221 - 2⁵ = 1103032310189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103032313221) 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 3 ways as a sum of consecutive naturals, for example, 20341360 + ... + 20395513.

It is an arithmetic number, because the mean of its divisors is an integer number (275768268543).

Almost surely, 2^{1103032310221} is an apocalyptic number.

It is an amenable number.

1103032310221 is a deficient number, since it is larger than the sum of its proper divisors (40763951).

1103032310221 is an equidigital number, since it uses as much as digits as its factorization.

1103032310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40763950.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1103032310221 its reverse (1220132303011), we get a palindrome (2323164613232).

The spelling of 1103032310221 in words is "one trillion, one hundred three billion, thirty-two million, three hundred ten thousand, two hundred twenty-one".