2100002001207 has 16 divisors (see below), whose sum is σ = 3054580803840. Its totient is φ = 1272714969600.

The previous prime is 2100002001179. The next prime is 2100002001241. The reversal of 2100002001207 is 7021002000012.

It is not a de Polignac number, because 2100002001207 - 2⁷ = 2100002001079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100002001407) 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, 3450582 + ... + 4013292.

It is an arithmetic number, because the mean of its divisors is an integer number (190911300240).

Almost surely, 2^{2100002001207} is an apocalyptic number.

2100002001207 is a deficient number, since it is larger than the sum of its proper divisors (954578802633).

2100002001207 is a wasteful number, since it uses less digits than its factorization.

2100002001207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675814.

The product of its (nonzero) digits is 56, while the sum is 15.

Adding to 2100002001207 its reverse (7021002000012), we get a palindrome (9121004001219).

The spelling of 2100002001207 in words is "two trillion, one hundred billion, two million, one thousand, two hundred seven".