2100022001 has 8 divisors (see below), whose sum is σ = 2618209344. Its totient is φ = 1636380720.

The previous prime is 2100021991. The next prime is 2100022007. The reversal of 2100022001 is 1002200012.

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 2100022001 - 2¹⁰ = 2100020977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100022001.

It is not an unprimeable number, because it can be changed into a prime (2100022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13636430 + ... + 13636583.

It is an arithmetic number, because the mean of its divisors is an integer number (327276168).

Almost surely, 2^2100022001 is an apocalyptic number.

It is an amenable number.

2100022001 is a deficient number, since it is larger than the sum of its proper divisors (518187343).

2100022001 is a wasteful number, since it uses less digits than its factorization.

2100022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27273031.

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

The square root of 2100022001 is about 45825.9969995198. The cubic root of 2100022001 is about 1280.5836370389.

Adding to 2100022001 its reverse (1002200012), we get a palindrome (3102222013).

The spelling of 2100022001 in words is "two billion, one hundred million, twenty-two thousand, one".