1100300320021 has 16 divisors (see below), whose sum is σ = 1324615936000. Its totient is φ = 892838146608.

The previous prime is 1100300319997. The next prime is 1100300320043. The reversal of 1100300320021 is 1200230030011.

It is a cyclic number.

It is not a de Polignac number, because 1100300320021 - 2¹⁹ = 1100299795733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100300319983 and 1100300320010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100303320021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2770665 + ... + 3142798.

It is an arithmetic number, because the mean of its divisors is an integer number (82788496000).

Almost surely, 2^{1100300320021} is an apocalyptic number.

It is an amenable number.

1100300320021 is a deficient number, since it is larger than the sum of its proper divisors (224315615979).

1100300320021 is a wasteful number, since it uses less digits than its factorization.

1100300320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914888.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1100300320021 its reverse (1200230030011), we get a palindrome (2300530350032).

The spelling of 1100300320021 in words is "one trillion, one hundred billion, three hundred million, three hundred twenty thousand, twenty-one".