10199999999999 has 4 divisors (see below), whose sum is σ = 10551724137960. Its totient is φ = 9848275862040.

The previous prime is 10199999999963. The next prime is 10200000000007. The reversal of 10199999999999 is 99999999999101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10199999999999 is a prime.

It is a super-9 number, since 9×10199999999999⁹ (a number of 119 digits) contains 999999999 as substring.

It is a Duffinian number.

10199999999999 is a modest number, since divided by 9999999 gives 1019999 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 10199999999899 and 10199999999908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10199999992999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175862068937 + ... + 175862068994.

It is an arithmetic number, because the mean of its divisors is an integer number (2637931034490).

Almost surely, 2^{10199999999999} is an apocalyptic number.

10199999999999 is a deficient number, since it is larger than the sum of its proper divisors (351724137961).

10199999999999 is an equidigital number, since it uses as much as digits as its factorization.

10199999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351724137960.

The product of its (nonzero) digits is 31381059609, while the sum is 101.

The spelling of 10199999999999 in words is "ten trillion, one hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".