207215820001 has 2 divisors, whose sum is σ = 207215820002. Its totient is φ = 207215820000.

The previous prime is 207215819989. The next prime is 207215820013. The reversal of 207215820001 is 100028512702.

207215820001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (207215819989) and next prime (207215820013).

It can be written as a sum of positive squares in only one way, i.e., 126681893776 + 80533926225 = 355924^2 + 283785^2 .

It is a cyclic number.

It is not a de Polignac number, because 207215820001 - 2⁵ = 207215819969 is a prime.

It is not a weakly prime, because it can be changed into another prime (207215820101) 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 as a sum of consecutive naturals, namely, 103607910000 + 103607910001.

It is an arithmetic number, because the mean of its divisors is an integer number (103607910001).

Almost surely, 2^207215820001 is an apocalyptic number.

It is an amenable number.

207215820001 is a deficient number, since it is larger than the sum of its proper divisors (1).

207215820001 is an equidigital number, since it uses as much as digits as its factorization.

207215820001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The spelling of 207215820001 in words is "two hundred seven billion, two hundred fifteen million, eight hundred twenty thousand, one".