1011103300321 has 4 divisors (see below), whose sum is σ = 1020051117252. Its totient is φ = 1002155483392.

The previous prime is 1011103300301. The next prime is 1011103300327. The reversal of 1011103300321 is 1230033011101.

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 375199126225 + 635904174096 = 612535^2 + 797436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011103300321 - 2¹⁷ = 1011103169249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011103300295 and 1011103300304.

It is not an unprimeable number, because it can be changed into a prime (1011103300327) 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, 4473908296 + ... + 4473908521.

It is an arithmetic number, because the mean of its divisors is an integer number (255012779313).

Almost surely, 2^{1011103300321} is an apocalyptic number.

It is an amenable number.

1011103300321 is a deficient number, since it is larger than the sum of its proper divisors (8947816931).

1011103300321 is an equidigital number, since it uses as much as digits as its factorization.

1011103300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947816930.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1011103300321 its reverse (1230033011101), we get a palindrome (2241136311422).

The spelling of 1011103300321 in words is "one trillion, eleven billion, one hundred three million, three hundred thousand, three hundred twenty-one".