110001101001001 has 16 divisors (see below), whose sum is σ = 128454548544000. Its totient is φ = 92242599403968.

The previous prime is 110001101000993. The next prime is 110001101001019. The reversal of 110001101001001 is 100100101100011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110001101001001 - 2³ = 110001101000993 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 (110001101004001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424654081 + ... + 424913038.

It is an arithmetic number, because the mean of its divisors is an integer number (8028409284000).

Almost surely, 2^{110001101001001} is an apocalyptic number.

It is an amenable number.

110001101001001 is a deficient number, since it is larger than the sum of its proper divisors (18453447542999).

110001101001001 is an equidigital number, since it uses as much as digits as its factorization.

110001101001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849567528.

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

Adding to 110001101001001 its reverse (100100101100011), we get a palindrome (210101202101012).

The spelling of 110001101001001 in words is "one hundred ten trillion, one billion, one hundred one million, one thousand, one".