1100120002011 has 96 divisors (see below), whose sum is σ = 1678512326400. Its totient is φ = 693626250240.

The previous prime is 1100120001997. The next prime is 1100120002013. The reversal of 1100120002011 is 1102000210011.

It is a happy number.

It is not a de Polignac number, because 1100120002011 - 2¹¹ = 1100119999963 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1100120001984 and 1100120002002.

It is not an unprimeable number, because it can be changed into a prime (1100120002013) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1245888576 + ... + 1245889458.

It is an arithmetic number, because the mean of its divisors is an integer number (17484503400).

Almost surely, 2^{1100120002011} is an apocalyptic number.

1100120002011 is a deficient number, since it is larger than the sum of its proper divisors (578392324389).

1100120002011 is a wasteful number, since it uses less digits than its factorization.

1100120002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1718 counting only the distinct ones).

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

Adding to 1100120002011 its reverse (1102000210011), we get a palindrome (2202120212022).

The spelling of 1100120002011 in words is "one trillion, one hundred billion, one hundred twenty million, two thousand, eleven".