110001111121001 has 16 divisors (see below), whose sum is σ = 119185213238784. Its totient is φ = 101118697338624.

The previous prime is 110001111120983. The next prime is 110001111121093. The reversal of 110001111121001 is 100121111100011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110001111121001 - 2²⁶ = 110001044012137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110001111121801) 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, 15194696 + ... + 21233958.

It is an arithmetic number, because the mean of its divisors is an integer number (7449075827424).

Almost surely, 2^{110001111121001} is an apocalyptic number.

It is an amenable number.

110001111121001 is a deficient number, since it is larger than the sum of its proper divisors (9184102117783).

110001111121001 is a wasteful number, since it uses less digits than its factorization.

110001111121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064240.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 110001111121001 its reverse (100121111100011), we get a palindrome (210122222221012).

The spelling of 110001111121001 in words is "one hundred ten trillion, one billion, one hundred eleven million, one hundred twenty-one thousand, one".