1100320013021 has 4 divisors (see below), whose sum is σ = 1100322423072. Its totient is φ = 1100317602972.

The previous prime is 1100320013011. The next prime is 1100320013057. The reversal of 1100320013021 is 1203100230011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100320013021 - 2¹⁰ = 1100320011997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1100320012987 and 1100320013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100320013011) 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, 287135 + ... + 1510988.

It is an arithmetic number, because the mean of its divisors is an integer number (275080605768).

Almost surely, 2^{1100320013021} is an apocalyptic number.

It is an amenable number.

1100320013021 is a deficient number, since it is larger than the sum of its proper divisors (2410051).

1100320013021 is an equidigital number, since it uses as much as digits as its factorization.

1100320013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410050.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1100320013021 its reverse (1203100230011), we get a palindrome (2303420243032).

The spelling of 1100320013021 in words is "one trillion, one hundred billion, three hundred twenty million, thirteen thousand, twenty-one".