100110011001001 has 4 divisors (see below), whose sum is σ = 100110727506832. Its totient is φ = 100109294495172.

The previous prime is 100110011000983. The next prime is 100110011001017. The reversal of 100110011001001 is 100100110011001.

It is a happy number.

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 100110011001001 - 2¹³ = 100110010992809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100110011001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358043295 + ... + 358322788.

It is an arithmetic number, because the mean of its divisors is an integer number (25027681876708).

Almost surely, 2^{100110011001001} is an apocalyptic number.

It is an amenable number.

100110011001001 is a deficient number, since it is larger than the sum of its proper divisors (716505831).

100110011001001 is an equidigital number, since it uses as much as digits as its factorization.

100110011001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716505830.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100110011001001 its reverse (100100110011001), we get a palindrome (200210121012002).

It can be divided in two parts, 10011001 and 1001001, that multiplied together give a palindrome (10021022012001).

The spelling of 100110011001001 in words is "one hundred trillion, one hundred ten billion, eleven million, one thousand, one".