10100012021001 has 12 divisors (see below), whose sum is σ = 16673035717312. Its totient is φ = 5771435440536.

The previous prime is 10100012020979. The next prime is 10100012021087. The reversal of 10100012021001 is 10012021000101.

It is a happy number.

10100012021001 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 10100012021001 - 2⁶ = 10100012020937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100012021101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80158825501 + ... + 80158825626.

Almost surely, 2^{10100012021001} is an apocalyptic number.

It is an amenable number.

10100012021001 is a deficient number, since it is larger than the sum of its proper divisors (6573023696311).

10100012021001 is a wasteful number, since it uses less digits than its factorization.

10100012021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160317651140 (or 160317651137 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10100012021001 its reverse (10012021000101), we get a palindrome (20112033021102).

The spelling of 10100012021001 in words is "ten trillion, one hundred billion, twelve million, twenty-one thousand, one".