1001110550021 has 8 divisors (see below), whose sum is σ = 1052609172600. Its totient is φ = 950743765440.

The previous prime is 1001110549981. The next prime is 1001110550101. The reversal of 1001110550021 is 1200550111001.

1001110550021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 201363100225 + 799747449796 = 448735^2 + 894286^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001110550021 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 (1001110550621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282957686 + ... + 282961223.

It is an arithmetic number, because the mean of its divisors is an integer number (131576146575).

Almost surely, 2^{1001110550021} is an apocalyptic number.

It is an amenable number.

1001110550021 is a deficient number, since it is larger than the sum of its proper divisors (51498622579).

1001110550021 is an equidigital number, since it uses as much as digits as its factorization.

1001110550021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565918999.

The product of its (nonzero) digits is 50, while the sum is 17.

Adding to 1001110550021 its reverse (1200550111001), we get a palindrome (2201660661022).

The spelling of 1001110550021 in words is "one trillion, one billion, one hundred ten million, five hundred fifty thousand, twenty-one".