10001022020001 has 16 divisors (see below), whose sum is σ = 14832074257920. Its totient is φ = 6660262610640.

The previous prime is 10001022019951. The next prime is 10001022020053. The reversal of 10001022020001 is 10002022010001.

It is not a de Polignac number, because 10001022020001 - 2¹¹ = 10001022017953 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10001022090001) 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, 196790865 + ... + 196841678.

It is an arithmetic number, because the mean of its divisors is an integer number (927004641120).

Almost surely, 2^{10001022020001} is an apocalyptic number.

It is an amenable number.

10001022020001 is a deficient number, since it is larger than the sum of its proper divisors (4831052237919).

10001022020001 is an equidigital number, since it uses as much as digits as its factorization.

10001022020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393633493 (or 393633487 counting only the distinct ones).

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

Adding to 10001022020001 its reverse (10002022010001), we get a palindrome (20003044030002).

The spelling of 10001022020001 in words is "ten trillion, one billion, twenty-two million, twenty thousand, one".