1100011012011 has 16 divisors (see below), whose sum is σ = 1629995614720. Its totient is φ = 733183322760.

The previous prime is 1100011011919. The next prime is 1100011012031. The reversal of 1100011012011 is 1102101100011.

It is not a de Polignac number, because 1100011012011 - 2¹¹ = 1100011009963 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 junction number, because it is equal to n+sod(n) for n = 1100011011984 and 1100011012002.

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 15 ways as a sum of consecutive naturals, for example, 4242655 + ... + 4494456.

It is an arithmetic number, because the mean of its divisors is an integer number (101874725920).

Almost surely, 2^{1100011012011} is an apocalyptic number.

1100011012011 is a deficient number, since it is larger than the sum of its proper divisors (529984602709).

1100011012011 is an equidigital number, since it uses as much as digits as its factorization.

1100011012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741783 (or 8741777 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1100011012011 its reverse (1102101100011), we get a palindrome (2202112112022).

The spelling of 1100011012011 in words is "one trillion, one hundred billion, eleven million, twelve thousand, eleven".