1100221001111 has 4 divisors (see below), whose sum is σ = 1100249741112. Its totient is φ = 1100192261112.

The previous prime is 1100221001093. The next prime is 1100221001153. The reversal of 1100221001111 is 1111001220011.

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 1100221001111 - 2³⁴ = 1083041131927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100221001092 and 1100221001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100221001171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14312501 + ... + 14389166.

It is an arithmetic number, because the mean of its divisors is an integer number (275062435278).

Almost surely, 2^{1100221001111} is an apocalyptic number.

1100221001111 is a deficient number, since it is larger than the sum of its proper divisors (28740001).

1100221001111 is an equidigital number, since it uses as much as digits as its factorization.

1100221001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28740000.

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

Adding to 1100221001111 its reverse (1111001220011), we get a palindrome (2211222221122).

The spelling of 1100221001111 in words is "one trillion, one hundred billion, two hundred twenty-one million, one thousand, one hundred eleven".