2019100910001 has 16 divisors (see below), whose sum is σ = 3210495857664. Its totient is φ = 1103607950544.

The previous prime is 2019100909997. The next prime is 2019100910089. The reversal of 2019100910001 is 1000190019102.

It is not a de Polignac number, because 2019100910001 - 2² = 2019100909997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2019100910201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2090166091 + ... + 2090167056.

It is an arithmetic number, because the mean of its divisors is an integer number (200655991104).

Almost surely, 2^{2019100910001} is an apocalyptic number.

2019100910001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2019100910001 is a deficient number, since it is larger than the sum of its proper divisors (1191394947663).

2019100910001 is a wasteful number, since it uses less digits than its factorization.

2019100910001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180333180.

The product of its (nonzero) digits is 162, while the sum is 24.

Adding to 2019100910001 its reverse (1000190019102), we get a palindrome (3019290929103).

The spelling of 2019100910001 in words is "two trillion, nineteen billion, one hundred million, nine hundred ten thousand, one".