1100000021001 has 32 divisors (see below), whose sum is σ = 1687513552896. Its totient is φ = 624326400000.

The previous prime is 1100000020967. The next prime is 1100000021011. The reversal of 1100000021001 is 1001200000011.

It is not a de Polignac number, because 1100000021001 - 2¹³ = 1100000012809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100000021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30426706 + ... + 30462836.

It is an arithmetic number, because the mean of its divisors is an integer number (52734798528).

Almost surely, 2^{1100000021001} is an apocalyptic number.

It is an amenable number.

1100000021001 is a deficient number, since it is larger than the sum of its proper divisors (587513531895).

1100000021001 is a wasteful number, since it uses less digits than its factorization.

1100000021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45893.

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

Adding to 1100000021001 its reverse (1001200000011), we get a palindrome (2101200021012).

The spelling of 1100000021001 in words is "one trillion, one hundred billion, twenty-one thousand, one".