10001020022001 has 16 divisors (see below), whose sum is σ = 14960173787520. Its totient is φ = 6602615158320.

The previous prime is 10001020021931. The next prime is 10001020022029. The reversal of 10001020022001 is 10022002010001.

It is not a de Polignac number, because 10001020022001 - 2³⁷ = 9863581068529 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10001020022501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798095030 + ... + 1798100591.

It is an arithmetic number, because the mean of its divisors is an integer number (935010861720).

Almost surely, 2^{10001020022001} is an apocalyptic number.

It is an amenable number.

10001020022001 is a deficient number, since it is larger than the sum of its proper divisors (4959153765519).

10001020022001 is a wasteful number, since it uses less digits than its factorization.

10001020022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596195733 (or 3596195727 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10001020022001 its reverse (10022002010001), we get a palindrome (20023022032002).

The spelling of 10001020022001 in words is "ten trillion, one billion, twenty million, twenty-two thousand, one".