110201331231221 has 4 divisors (see below), whose sum is σ = 110201773681344. Its totient is φ = 110200888781100.

The previous prime is 110201331231203. The next prime is 110201331231253. The reversal of 110201331231221 is 122132133102011.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 110201331231221 - 2³⁴ = 110184151362037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201331231821) 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, 220851245 + ... + 221349666.

It is an arithmetic number, because the mean of its divisors is an integer number (27550443420336).

Almost surely, 2^{110201331231221} is an apocalyptic number.

It is an amenable number.

110201331231221 is a deficient number, since it is larger than the sum of its proper divisors (442450123).

110201331231221 is an equidigital number, since it uses as much as digits as its factorization.

110201331231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442450122.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 110201331231221 its reverse (122132133102011), we get a palindrome (232333464333232).

The spelling of 110201331231221 in words is "one hundred ten trillion, two hundred one billion, three hundred thirty-one million, two hundred thirty-one thousand, two hundred twenty-one".