10001042013021 has 16 divisors (see below), whose sum is σ = 13357662759936. Its totient is φ = 6655892069376.

The previous prime is 10001042013013. The next prime is 10001042013037. The reversal of 10001042013021 is 12031024010001.

10001042013021 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 10001042013021 - 2³ = 10001042013013 is a prime.

It is a super-2 number, since 2×10001042013021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001042013041) 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, 64737156 + ... + 64891458.

It is an arithmetic number, because the mean of its divisors is an integer number (834853922496).

Almost surely, 2^{10001042013021} is an apocalyptic number.

It is an amenable number.

10001042013021 is a deficient number, since it is larger than the sum of its proper divisors (3356620746915).

10001042013021 is a wasteful number, since it uses less digits than its factorization.

10001042013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191332.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10001042013021 its reverse (12031024010001), we get a palindrome (22032066023022).

The spelling of 10001042013021 in words is "ten trillion, one billion, forty-two million, thirteen thousand, twenty-one".