1100002211111 has 4 divisors (see below), whose sum is σ = 1101050832000. Its totient is φ = 1098953590224.

The previous prime is 1100002211081. The next prime is 1100002211131. The reversal of 1100002211111 is 1111122000011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100002211111 - 2²² = 1099998016807 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1100002211092 and 1100002211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100002211131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524308871 + ... + 524310968.

It is an arithmetic number, because the mean of its divisors is an integer number (275262708000).

Almost surely, 2^{1100002211111} is an apocalyptic number.

1100002211111 is a deficient number, since it is larger than the sum of its proper divisors (1048620889).

1100002211111 is a wasteful number, since it uses less digits than its factorization.

1100002211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048620888.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100002211111 its reverse (1111122000011), we get a palindrome (2211124211122).

The spelling of 1100002211111 in words is "one trillion, one hundred billion, two million, two hundred eleven thousand, one hundred eleven".