1100112002001 has 16 divisors (see below), whose sum is σ = 1629812800000. Its totient is φ = 733400242704.

The previous prime is 1100112001987. The next prime is 1100112002039. The reversal of 1100112002001 is 1002002110011.

It is a happy number.

It is not a de Polignac number, because 1100112002001 - 2¹⁵ = 1100111969233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100112002051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3634455 + ... + 3925491.

It is an arithmetic number, because the mean of its divisors is an integer number (101863300000).

Almost surely, 2^{1100112002001} is an apocalyptic number.

It is an amenable number.

1100112002001 is a deficient number, since it is larger than the sum of its proper divisors (529700797999).

1100112002001 is a wasteful number, since it uses less digits than its factorization.

1100112002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431045 (or 431039 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1100112002001 its reverse (1002002110011), we get a palindrome (2102114112012).

The spelling of 1100112002001 in words is "one trillion, one hundred billion, one hundred twelve million, two thousand, one".