110211111022221 has 32 divisors (see below), whose sum is σ = 178235309629440. Its totient is φ = 66750984370800.

The previous prime is 110211111022063. The next prime is 110211111022237. The reversal of 110211111022221 is 122220111112011.

It is a happy number.

110211111022221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 110211111022221 - 2⁹ = 110211111021709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110211111022194 and 110211111022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211111022241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120734445 + ... + 121643858.

It is an arithmetic number, because the mean of its divisors is an integer number (5569853425920).

Almost surely, 2^{110211111022221} is an apocalyptic number.

110211111022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110211111022221 is a deficient number, since it is larger than the sum of its proper divisors (68024198607219).

110211111022221 is a wasteful number, since it uses less digits than its factorization.

110211111022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242379854 (or 242379848 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 110211111022221 its reverse (122220111112011), we get a palindrome (232431222134232).

The spelling of 110211111022221 in words is "one hundred ten trillion, two hundred eleven billion, one hundred eleven million, twenty-two thousand, two hundred twenty-one".