10000020011001 has 24 divisors (see below), whose sum is σ = 13652701626816. Its totient is φ = 6510661930080.

The previous prime is 10000020010991. The next prime is 10000020011027. The reversal of 10000020011001 is 10011002000001.

It is not a de Polignac number, because 10000020011001 - 2⁹ = 10000020010489 is a prime.

It is a super-2 number, since 2×10000020011001² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10000020011041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37715071 + ... + 37979291.

It is an arithmetic number, because the mean of its divisors is an integer number (568862567784).

Almost surely, 2^{10000020011001} is an apocalyptic number.

It is an amenable number.

10000020011001 is a deficient number, since it is larger than the sum of its proper divisors (3652681615815).

10000020011001 is an equidigital number, since it uses as much as digits as its factorization.

10000020011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271133 (or 271090 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 10000020011001 its reverse (10011002000001), we get a palindrome (20011022011002).

The spelling of 10000020011001 in words is "ten trillion, twenty million, eleven thousand, one".