110231221032133 has 4 divisors (see below), whose sum is σ = 110232749779180. Its totient is φ = 110229692285088.

The previous prime is 110231221032073. The next prime is 110231221032139. The reversal of 110231221032133 is 331230122132011.

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 67723402912929 + 42507818119204 = 8229423^2 + 6519802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110231221032133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110231221032098 and 110231221032107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110231221032139) 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, 764265360 + ... + 764409577.

It is an arithmetic number, because the mean of its divisors is an integer number (27558187444795).

Almost surely, 2^{110231221032133} is an apocalyptic number.

It is an amenable number.

110231221032133 is a deficient number, since it is larger than the sum of its proper divisors (1528747047).

110231221032133 is an equidigital number, since it uses as much as digits as its factorization.

110231221032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528747046.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 110231221032133 its reverse (331230122132011), we get a palindrome (441461343164144).

The spelling of 110231221032133 in words is "one hundred ten trillion, two hundred thirty-one billion, two hundred twenty-one million, thirty-two thousand, one hundred thirty-three".