10210199857867 has 2 divisors, whose sum is σ = 10210199857868. Its totient is φ = 10210199857866.

The previous prime is 10210199857859. The next prime is 10210199857933. The reversal of 10210199857867 is 76875899101201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10210199857867 - 2³ = 10210199857859 is a prime.

It is a super-2 number, since 2×10210199857867² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10210199857799 and 10210199857808.

It is not a weakly prime, because it can be changed into another prime (10210199857807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105099928933 + 5105099928934.

It is an arithmetic number, because the mean of its divisors is an integer number (5105099928934).

Almost surely, 2^{10210199857867} is an apocalyptic number.

10210199857867 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210199857867 is an equidigital number, since it uses as much as digits as its factorization.

10210199857867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 64.

The spelling of 10210199857867 in words is "ten trillion, two hundred ten billion, one hundred ninety-nine million, eight hundred fifty-seven thousand, eight hundred sixty-seven".