1100133220231 has 4 divisors (see below), whose sum is σ = 1100172220200. Its totient is φ = 1100094220264.

The previous prime is 1100133220217. The next prime is 1100133220259. The reversal of 1100133220231 is 1320223310011.

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 1100133220231 - 2⁷ = 1100133220103 is a prime.

It is a super-2 number, since 2×1100133220231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100133220199 and 1100133220208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100133220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19457641 + ... + 19514098.

It is an arithmetic number, because the mean of its divisors is an integer number (275043055050).

Almost surely, 2^{1100133220231} is an apocalyptic number.

1100133220231 is a deficient number, since it is larger than the sum of its proper divisors (38999969).

1100133220231 is an equidigital number, since it uses as much as digits as its factorization.

1100133220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38999968.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1100133220231 its reverse (1320223310011), we get a palindrome (2420356530242).

The spelling of 1100133220231 in words is "one trillion, one hundred billion, one hundred thirty-three million, two hundred twenty thousand, two hundred thirty-one".