110001223221 has 8 divisors (see below), whose sum is σ = 150632305824. Its totient is φ = 71352144720.

The previous prime is 110001223177. The next prime is 110001223231. The reversal of 110001223221 is 122322100011.

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

It is not a de Polignac number, because 110001223221 - 2²³ = 109992834613 is a prime.

It is a super-2 number, since 2×110001223221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110001223221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001223231) 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, 495500895 + ... + 495501116.

It is an arithmetic number, because the mean of its divisors is an integer number (18829038228).

Almost surely, 2^110001223221 is an apocalyptic number.

It is an amenable number.

110001223221 is a deficient number, since it is larger than the sum of its proper divisors (40631082603).

110001223221 is an equidigital number, since it uses as much as digits as its factorization.

110001223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991002051.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 110001223221 its reverse (122322100011), we get a palindrome (232323323232).

The spelling of 110001223221 in words is "one hundred ten billion, one million, two hundred twenty-three thousand, two hundred twenty-one".