1100001200001 has 32 divisors (see below), whose sum is σ = 1642567127040. Its totient is φ = 649002076800.

The previous prime is 1100001199939. The next prime is 1100001200021. The reversal of 1100001200001 is 1000021000011.

It is not a de Polignac number, because 1100001200001 - 2¹⁵ = 1100001167233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100001200021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251541 + ... + 1504418.

It is an arithmetic number, because the mean of its divisors is an integer number (51330222720).

Almost surely, 2^{1100001200001} is an apocalyptic number.

1100001200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100001200001 is a deficient number, since it is larger than the sum of its proper divisors (542565927039).

1100001200001 is a wasteful number, since it uses less digits than its factorization.

1100001200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756477.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 1100001200001 its reverse (1000021000011), we get a palindrome (2100022200012).

The spelling of 1100001200001 in words is "one trillion, one hundred billion, one million, two hundred thousand, one".