20001012101 has 8 divisors (see below), whose sum is σ = 22918614720. Its totient is φ = 17098488288.

The previous prime is 20001012079. The next prime is 20001012113. The reversal of 20001012101 is 10121010002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20001012101 - 2¹⁴ = 20000995717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001012191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3766856 + ... + 3772161.

It is an arithmetic number, because the mean of its divisors is an integer number (2864826840).

Almost surely, 2^20001012101 is an apocalyptic number.

It is an amenable number.

20001012101 is a deficient number, since it is larger than the sum of its proper divisors (2917602619).

20001012101 is an equidigital number, since it uses as much as digits as its factorization.

20001012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539403.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20001012101 its reverse (10121010002), we get a palindrome (30122022103).

It can be divided in two parts, 2000 and 1012101, that added together give a palindrome (1014101).

The spelling of 20001012101 in words is "twenty billion, one million, twelve thousand, one hundred one".