1101100221101 has 4 divisors (see below), whose sum is σ = 1136619583104. Its totient is φ = 1065580859100.

The previous prime is 1101100221071. The next prime is 1101100221121. The reversal of 1101100221101 is 1011220011011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1101100221101 - 2⁶ = 1101100221037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101100221121) 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, 17759680955 + ... + 17759681016.

It is an arithmetic number, because the mean of its divisors is an integer number (284154895776).

Almost surely, 2^{1101100221101} is an apocalyptic number.

It is an amenable number.

1101100221101 is a deficient number, since it is larger than the sum of its proper divisors (35519362003).

1101100221101 is an equidigital number, since it uses as much as digits as its factorization.

1101100221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35519362002.

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

Adding to 1101100221101 its reverse (1011220011011), we get a palindrome (2112320232112).

The spelling of 1101100221101 in words is "one trillion, one hundred one billion, one hundred million, two hundred twenty-one thousand, one hundred one".