110112121211201 has 4 divisors (see below), whose sum is σ = 110112245661012. Its totient is φ = 110111996761392.

The previous prime is 110112121211159. The next prime is 110112121211233. The reversal of 110112121211201 is 102112121211011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14365426530625 + 95746694680576 = 3790175^2 + 9785024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110112121211201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110112121211201.

It is not an unprimeable number, because it can be changed into a prime (110112121211251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60888146 + ... + 62670491.

It is an arithmetic number, because the mean of its divisors is an integer number (27528061415253).

Almost surely, 2^{110112121211201} is an apocalyptic number.

It is an amenable number.

110112121211201 is a deficient number, since it is larger than the sum of its proper divisors (124449811).

110112121211201 is an equidigital number, since it uses as much as digits as its factorization.

110112121211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124449810.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 110112121211201 its reverse (102112121211011), we get a palindrome (212224242422212).

The spelling of 110112121211201 in words is "one hundred ten trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, two hundred one".