110111100110021 has 8 divisors (see below), whose sum is σ = 116081434297344. Its totient is φ = 104291913623760.

The previous prime is 110111100110003. The next prime is 110111100110023. The reversal of 110111100110021 is 120011001111011.

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 a de Polignac number, because none of the positive numbers 2^k-110111100110021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110111100109984 and 110111100110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111100110023) 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, 37786923770 + ... + 37786926683.

It is an arithmetic number, because the mean of its divisors is an integer number (14510179287168).

Almost surely, 2^{110111100110021} is an apocalyptic number.

It is an amenable number.

110111100110021 is a deficient number, since it is larger than the sum of its proper divisors (5970334187323).

110111100110021 is an equidigital number, since it uses as much as digits as its factorization.

110111100110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75573850531.

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

Adding to 110111100110021 its reverse (120011001111011), we get a palindrome (230122101221032).

The spelling of 110111100110021 in words is "one hundred ten trillion, one hundred eleven billion, one hundred million, one hundred ten thousand, twenty-one".