110011231221 has 8 divisors (see below), whose sum is σ = 147801349344. Its totient is φ = 72780966960.

The previous prime is 110011231193. The next prime is 110011231223. The reversal of 110011231221 is 122132110011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 110011231221 - 2⁵ = 110011231189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110011231221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011231223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139963006 + ... + 139963791.

It is an arithmetic number, because the mean of its divisors is an integer number (18475168668).

Almost surely, 2^110011231221 is an apocalyptic number.

It is an amenable number.

110011231221 is a deficient number, since it is larger than the sum of its proper divisors (37790118123).

110011231221 is a wasteful number, since it uses less digits than its factorization.

110011231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279926931.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 110011231221 its reverse (122132110011), we get a palindrome (232143341232).

The spelling of 110011231221 in words is "one hundred ten billion, eleven million, two hundred thirty-one thousand, two hundred twenty-one".