1100001220011 has 24 divisors (see below), whose sum is σ = 1648656717344. Its totient is φ = 706158466560.

The previous prime is 1100001219997. The next prime is 1100001220027. The reversal of 1100001220011 is 1100221000011.

It is a happy number.

It is not a de Polignac number, because 1100001220011 - 2¹⁹ = 1100000695723 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 = 1100001219975 and 1100001220002.

It is not an unprimeable number, because it can be changed into a prime (1100001220061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16995055 + ... + 17059656.

Almost surely, 2^{1100001220011} is an apocalyptic number.

1100001220011 is a deficient number, since it is larger than the sum of its proper divisors (548655497333).

1100001220011 is a wasteful number, since it uses less digits than its factorization.

1100001220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34054851 (or 34054848 counting only the distinct ones).

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

Adding to 1100001220011 its reverse (1100221000011), we get a palindrome (2200222220022).

The spelling of 1100001220011 in words is "one trillion, one hundred billion, one million, two hundred twenty thousand, eleven".