10001112021001 has 4 divisors (see below), whose sum is σ = 10001227685904. Its totient is φ = 10000996356100.

The previous prime is 10001112020987. The next prime is 10001112021037. The reversal of 10001112021001 is 10012021110001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10001112021001 - 2¹⁵ = 10001111988233 is a prime.

It is a super-2 number, since 2×10001112021001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001112081001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57702655 + ... + 57875716.

It is an arithmetic number, because the mean of its divisors is an integer number (2500306921476).

Almost surely, 2^{10001112021001} is an apocalyptic number.

It is an amenable number.

10001112021001 is a deficient number, since it is larger than the sum of its proper divisors (115664903).

10001112021001 is an equidigital number, since it uses as much as digits as its factorization.

10001112021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115664902.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10001112021001 its reverse (10012021110001), we get a palindrome (20013133131002).

The spelling of 10001112021001 in words is "ten trillion, one billion, one hundred twelve million, twenty-one thousand, one".