2101912001 has 8 divisors (see below), whose sum is σ = 2447509824. Its totient is φ = 1767645360.

The previous prime is 2101911989. The next prime is 2101912019. The reversal of 2101912001 is 1002191012.

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 2101912001 - 2¹⁴ = 2101895617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101912061) 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, 2832395 + ... + 2833136.

It is an arithmetic number, because the mean of its divisors is an integer number (305938728).

Almost surely, 2^2101912001 is an apocalyptic number.

It is an amenable number.

2101912001 is a deficient number, since it is larger than the sum of its proper divisors (345597823).

2101912001 is an equidigital number, since it uses as much as digits as its factorization.

2101912001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665591.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 2101912001 is about 45846.6138444269. The cubic root of 2101912001 is about 1280.9676929127.

The spelling of 2101912001 in words is "two billion, one hundred one million, nine hundred twelve thousand, one".