1100221021011 has 16 divisors (see below), whose sum is σ = 1677531833600. Its totient is φ = 628321015008.

The previous prime is 1100221021001. The next prime is 1100221021093. The reversal of 1100221021011 is 1101201220011.

It is not a de Polignac number, because 1100221021011 - 2⁷ = 1100221020883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100221021001) 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, 15660421 + ... + 15730518.

It is an arithmetic number, because the mean of its divisors is an integer number (104845739600).

Almost surely, 2^{1100221021011} is an apocalyptic number.

1100221021011 is a deficient number, since it is larger than the sum of its proper divisors (577310812589).

1100221021011 is a wasteful number, since it uses less digits than its factorization.

1100221021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31392618.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100221021011 its reverse (1101201220011), we get a palindrome (2201422241022).

The spelling of 1100221021011 in words is "one trillion, one hundred billion, two hundred twenty-one million, twenty-one thousand, eleven".