2180105001 has 12 divisors (see below), whose sum is σ = 3154135920. Its totient is φ = 1451051640.

The previous prime is 2180104981. The next prime is 2180105023. The reversal of 2180105001 is 1005010812.

It is not a de Polignac number, because 2180105001 - 2⁶ = 2180104937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2180105701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190095 + ... + 201236.

It is an arithmetic number, because the mean of its divisors is an integer number (262844660).

Almost surely, 2^2180105001 is an apocalyptic number.

It is an amenable number.

2180105001 is a deficient number, since it is larger than the sum of its proper divisors (974030919).

2180105001 is a wasteful number, since it uses less digits than its factorization.

2180105001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391956 (or 391953 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 2180105001 is about 46691.5945433437. The cubic root of 2180105001 is about 1296.6590744249.

Adding to 2180105001 its reverse (1005010812), we get a palindrome (3185115813).

The spelling of 2180105001 in words is "two billion, one hundred eighty million, one hundred five thousand, one".