1001011110001 has 8 divisors (see below), whose sum is σ = 1150863073920. Its totient is φ = 852871740288.

The previous prime is 1001011109963. The next prime is 1001011110023. The reversal of 1001011110001 is 1000111101001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1001011110001 - 2¹⁹ = 1001010585713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (1001011110031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428147296 + ... + 428149633.

It is an arithmetic number, because the mean of its divisors is an integer number (143857884240).

Almost surely, 2^{1001011110001} is an apocalyptic number.

It is an amenable number.

1001011110001 is a deficient number, since it is larger than the sum of its proper divisors (149851963919).

1001011110001 is an equidigital number, since it uses as much as digits as its factorization.

1001011110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856297103.

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

Adding to 1001011110001 its reverse (1000111101001), we get a palindrome (2001122211002).

It can be divided in two parts, 1001011 and 110001, that multiplied together give a palindrome (110112211011).

The spelling of 1001011110001 in words is "one trillion, one billion, eleven million, one hundred ten thousand, one".