1100001220001 has 8 divisors (see below), whose sum is σ = 1113302594880. Its totient is φ = 1086700996432.

The previous prime is 1100001219997. The next prime is 1100001220027. The reversal of 1100001220001 is 1000221000011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100001220001 - 2² = 1100001219997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100001220061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718636 + ... + 2270178.

It is an arithmetic number, because the mean of its divisors is an integer number (139162824360).

Almost surely, 2^{1100001220001} is an apocalyptic number.

It is an amenable number.

1100001220001 is a deficient number, since it is larger than the sum of its proper divisors (13301374879).

1100001220001 is an equidigital number, since it uses as much as digits as its factorization.

1100001220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575655.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1100001220001 its reverse (1000221000011), we get a palindrome (2100222220012).

The spelling of 1100001220001 in words is "one trillion, one hundred billion, one million, two hundred twenty thousand, one".