110112221011801 has 2 divisors, whose sum is σ = 110112221011802. Its totient is φ = 110112221011800.

The previous prime is 110112221011787. The next prime is 110112221012069. The reversal of 110112221011801 is 108110122211011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94809071630025 + 15303149381776 = 9736995^2 + 3911924^2 .

It is a cyclic number.

It is not a de Polignac number, because 110112221011801 - 2¹¹ = 110112221009753 is a prime.

It is a super-3 number, since 3×110112221011801³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (110112221011601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55056110505900 + 55056110505901.

It is an arithmetic number, because the mean of its divisors is an integer number (55056110505901).

Almost surely, 2^{110112221011801} is an apocalyptic number.

It is an amenable number.

110112221011801 is a deficient number, since it is larger than the sum of its proper divisors (1).

110112221011801 is an equidigital number, since it uses as much as digits as its factorization.

110112221011801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 22.

Adding to 110112221011801 its reverse (108110122211011), we get a palindrome (218222343222812).

The spelling of 110112221011801 in words is "one hundred ten trillion, one hundred twelve billion, two hundred twenty-one million, eleven thousand, eight hundred one".