10000115001021 has 16 divisors (see below), whose sum is σ = 14098187479040. Its totient is φ = 6287539846320.

The previous prime is 10000115001017. The next prime is 10000115001053. The reversal of 10000115001021 is 12010051100001.

10000115001021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10000115001021 - 2² = 10000115001017 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 = 10000115000988 and 10000115001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000115071021) 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, 393351895 + ... + 393377316.

It is an arithmetic number, because the mean of its divisors is an integer number (881136717440).

Almost surely, 2^{10000115001021} is an apocalyptic number.

It is an amenable number.

10000115001021 is a deficient number, since it is larger than the sum of its proper divisors (4098072478019).

10000115001021 is a wasteful number, since it uses less digits than its factorization.

10000115001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786729456.

The product of its (nonzero) digits is 10, while the sum is 12.

Adding to 10000115001021 its reverse (12010051100001), we get a palindrome (22010166101022).

The spelling of 10000115001021 in words is "ten trillion, one hundred fifteen million, one thousand, twenty-one".