101199999999 has 32 divisors (see below), whose sum is σ = 159339479040. Its totient is φ = 55908482400.

The previous prime is 101199999997. The next prime is 101200000007. The reversal of 101199999999 is 999999991101.

It is not a de Polignac number, because 101199999999 - 2¹ = 101199999997 is a prime.

101199999999 is a modest number, since divided by 999999 gives 101199 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 101199999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101199999997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595792 + ... + 746570.

It is an arithmetic number, because the mean of its divisors is an integer number (4979358720).

Almost surely, 2^101199999999 is an apocalyptic number.

101199999999 is a deficient number, since it is larger than the sum of its proper divisors (58139479041).

101199999999 is a wasteful number, since it uses less digits than its factorization.

101199999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151851.

The product of its (nonzero) digits is 43046721, while the sum is 75.

The spelling of 101199999999 in words is "one hundred one billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".