10012021011001 has 4 divisors (see below), whose sum is σ = 10111149932004. Its totient is φ = 9912892090000.

The previous prime is 10012021010951. The next prime is 10012021011011. The reversal of 10012021011001 is 10011012021001.

10012021011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9271903200400 + 740117810601 = 3044980^2 + 860301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012021011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012021011011) 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, 49564460350 + ... + 49564460551.

It is an arithmetic number, because the mean of its divisors is an integer number (2527787483001).

Almost surely, 2^{10012021011001} is an apocalyptic number.

It is an amenable number.

10012021011001 is a deficient number, since it is larger than the sum of its proper divisors (99128921003).

10012021011001 is an equidigital number, since it uses as much as digits as its factorization.

10012021011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99128921002.

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

Adding to 10012021011001 its reverse (10011012021001), we get a palindrome (20023033032002).

The spelling of 10012021011001 in words is "ten trillion, twelve billion, twenty-one million, eleven thousand, one".