101109999999 has 8 divisors (see below), whose sum is σ = 135706137472. Its totient is φ = 66960264600.

The previous prime is 101109999979. The next prime is 101110000021. The reversal of 101109999999 is 999999901101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101109999999 - 2¹⁶ = 101109934463 is a prime.

It is a Duffinian number.

101109999999 is a modest number, since divided by 999999 gives 101109 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101109999979) 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 in 7 ways as a sum of consecutive naturals, for example, 111599989 + ... + 111600894.

It is an arithmetic number, because the mean of its divisors is an integer number (16963267184).

Almost surely, 2^101109999999 is an apocalyptic number.

101109999999 is a deficient number, since it is larger than the sum of its proper divisors (34596137473).

101109999999 is a wasteful number, since it uses less digits than its factorization.

101109999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223201037.

The product of its (nonzero) digits is 4782969, while the sum is 66.

The spelling of 101109999999 in words is "one hundred one billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".