10010111111001 has 64 divisors (see below), whose sum is σ = 15894150704640. Its totient is φ = 6204352204800.

The previous prime is 10010111110999. The next prime is 10010111111051. The reversal of 10010111111001 is 10011111101001.

It is not a de Polignac number, because 10010111111001 - 2¹ = 10010111110999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10010111111051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18694071 + ... + 19222083.

It is an arithmetic number, because the mean of its divisors is an integer number (248346104760).

Almost surely, 2^{10010111111001} is an apocalyptic number.

It is an amenable number.

10010111111001 is a deficient number, since it is larger than the sum of its proper divisors (5884039593639).

10010111111001 is a wasteful number, since it uses less digits than its factorization.

10010111111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528543 (or 528537 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 10010111111001 its reverse (10011111101001), we get a palindrome (20021222212002).

It can be divided in two parts, 100 and 10111111001, that added together give a palindrome (10111111101).

The spelling of 10010111111001 in words is "ten trillion, ten billion, one hundred eleven million, one hundred eleven thousand, one".