20101210201001 has 8 divisors (see below), whose sum is σ = 20104679835744. Its totient is φ = 20097740861280.

The previous prime is 20101210200983. The next prime is 20101210201003. The reversal of 20101210201001 is 10010201210102.

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

It is a cyclic number.

It is not a de Polignac number, because 20101210201001 - 2²² = 20101206006697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101210201003) 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 7 ways as a sum of consecutive naturals, for example, 167459861 + ... + 167579853.

It is an arithmetic number, because the mean of its divisors is an integer number (2513084979468).

Almost surely, 2^{20101210201001} is an apocalyptic number.

It is an amenable number.

20101210201001 is a deficient number, since it is larger than the sum of its proper divisors (3469634743).

20101210201001 is a wasteful number, since it uses less digits than its factorization.

20101210201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147511.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20101210201001 its reverse (10010201210102), we get a palindrome (30111411411103).

The spelling of 20101210201001 in words is "twenty trillion, one hundred one billion, two hundred ten million, two hundred one thousand, one".