2101201000001 has 8 divisors (see below), whose sum is σ = 2106688174464. Its totient is φ = 2095714803600.

The previous prime is 2101200999967. The next prime is 2101201000033. The reversal of 2101201000001 is 1000001021012.

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 2101201000001 - 2³⁴ = 2084021130817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101201000901) 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, 4161176 + ... + 4638726.

It is an arithmetic number, because the mean of its divisors is an integer number (263336021808).

Almost surely, 2^{2101201000001} is an apocalyptic number.

It is an amenable number.

2101201000001 is a deficient number, since it is larger than the sum of its proper divisors (5487174463).

2101201000001 is a wasteful number, since it uses less digits than its factorization.

2101201000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489031.

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

Adding to 2101201000001 its reverse (1000001021012), we get a palindrome (3101202021013).

It can be divided in two parts, 210120 and 1000001, that added together give a palindrome (1210121).

The spelling of 2101201000001 in words is "two trillion, one hundred one billion, two hundred one million, one", and thus it is an aban number.