100244686081 has 4 divisors (see below), whose sum is σ = 103478385664. Its totient is φ = 97010986500.

The previous prime is 100244686079. The next prime is 100244686111. The reversal of 100244686081 is 180686442001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100244686081 - 2¹ = 100244686079 is a prime.

It is a super-2 number, since 2×100244686081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100244686051) 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, 1616849745 + ... + 1616849806.

It is an arithmetic number, because the mean of its divisors is an integer number (25869596416).

Almost surely, 2^100244686081 is an apocalyptic number.

It is an amenable number.

100244686081 is a deficient number, since it is larger than the sum of its proper divisors (3233699583).

100244686081 is an equidigital number, since it uses as much as digits as its factorization.

100244686081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233699582.

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 100244686081 in words is "one hundred billion, two hundred forty-four million, six hundred eighty-six thousand, eighty-one".