110001220120001 has 4 divisors (see below), whose sum is σ = 125715680137152. Its totient is φ = 94286760102852.

The previous prime is 110001220119997. The next prime is 110001220120009. The reversal of 110001220120001 is 100021022100011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110001220120001 - 2² = 110001220119997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110001220120009) 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, 7857230008565 + ... + 7857230008578.

It is an arithmetic number, because the mean of its divisors is an integer number (31428920034288).

Almost surely, 2^{110001220120001} is an apocalyptic number.

It is an amenable number.

110001220120001 is a deficient number, since it is larger than the sum of its proper divisors (15714460017151).

110001220120001 is an equidigital number, since it uses as much as digits as its factorization.

110001220120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15714460017150.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110001220120001 its reverse (100021022100011), we get a palindrome (210022242220012).

The spelling of 110001220120001 in words is "one hundred ten trillion, one billion, two hundred twenty million, one hundred twenty thousand, one".