1100011012001 has 4 divisors (see below), whose sum is σ = 1200012013104. Its totient is φ = 1000010010900.

The previous prime is 1100011011919. The next prime is 1100011012031. The reversal of 1100011012001 is 1002101100011.

It is a happy number.

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 1100011012001 - 2³⁰ = 1098937270177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100011012001.

It is not an unprimeable number, because it can be changed into a prime (1100011012031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50000500535 + ... + 50000500556.

It is an arithmetic number, because the mean of its divisors is an integer number (300003003276).

Almost surely, 2^{1100011012001} is an apocalyptic number.

1100011012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100011012001 is a deficient number, since it is larger than the sum of its proper divisors (100001001103).

1100011012001 is a wasteful number, since it uses less digits than its factorization.

1100011012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100001001102.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1100011012001 its reverse (1002101100011), we get a palindrome (2102112112012).

The spelling of 1100011012001 in words is "one trillion, one hundred billion, eleven million, twelve thousand, one".