1100221111133 has 4 divisors (see below), whose sum is σ = 1100232291420. Its totient is φ = 1100209930848.

The previous prime is 1100221111103. The next prime is 1100221111139. The reversal of 1100221111133 is 3311111220011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 896966208889 + 203254902244 = 947083^2 + 450838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100221111133 - 2¹⁶ = 1100221045597 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100221111139) 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, 5441210 + ... + 5639787.

It is an arithmetic number, because the mean of its divisors is an integer number (275058072855).

Almost surely, 2^{1100221111133} is an apocalyptic number.

It is an amenable number.

1100221111133 is a deficient number, since it is larger than the sum of its proper divisors (11180287).

1100221111133 is an equidigital number, since it uses as much as digits as its factorization.

1100221111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11180286.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1100221111133 its reverse (3311111220011), we get a palindrome (4411332331144).

The spelling of 1100221111133 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred eleven thousand, one hundred thirty-three".