110122021221 has 8 divisors (see below), whose sum is σ = 146852155200. Its totient is φ = 73403284032.

The previous prime is 110122021199. The next prime is 110122021297. The reversal of 110122021221 is 122120221011.

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

It is not a de Polignac number, because 110122021221 - 2⁶ = 110122021157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 110122021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110122091221) 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, 2826625 + ... + 2865318.

It is an arithmetic number, because the mean of its divisors is an integer number (18356519400).

Almost surely, 2^110122021221 is an apocalyptic number.

It is an amenable number.

110122021221 is a deficient number, since it is larger than the sum of its proper divisors (36730133979).

110122021221 is an equidigital number, since it uses as much as digits as its factorization.

110122021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698395.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110122021221 its reverse (122120221011), we get a palindrome (232242242232).

The spelling of 110122021221 in words is "one hundred ten billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-one".