111000101010001 has 8 divisors (see below), whose sum is σ = 129807427095104. Its totient is φ = 92930317124400.

The previous prime is 111000101009981. The next prime is 111000101010047. The reversal of 111000101010001 is 100010101000111.

It is a happy number.

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

It is not a de Polignac number, because 111000101010001 - 2¹¹ = 111000101007953 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111000104010001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184385549550 + ... + 184385550151.

It is an arithmetic number, because the mean of its divisors is an integer number (16225928386888).

Almost surely, 2^{111000101010001} is an apocalyptic number.

It is an amenable number.

111000101010001 is a deficient number, since it is larger than the sum of its proper divisors (18807326085103).

111000101010001 is an equidigital number, since it uses as much as digits as its factorization.

111000101010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368771099751.

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

Adding to 111000101010001 its reverse (100010101000111), we get a palindrome (211010202010112).

It can be divided in two parts, 11 and 1000101010001, that multiplied together give a palindrome (11001111110011).

The spelling of 111000101010001 in words is "one hundred eleven trillion, one hundred one million, ten thousand, one".