110111220022221 has 48 divisors (see below), whose sum is σ = 175683220876800. Its totient is φ = 65898446681760.

The previous prime is 110111220022157. The next prime is 110111220022259. The reversal of 110111220022221 is 122220022111011.

110111220022221 is a `hidden beast` number, since 110 + 1 + 112 + 200 + 22 + 221 = 666.

It is not a de Polignac number, because 110111220022221 - 2⁶ = 110111220022157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110111220022194 and 110111220022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111220023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13938430 + ... + 20359328.

It is an arithmetic number, because the mean of its divisors is an integer number (3660067101600).

Almost surely, 2^{110111220022221} is an apocalyptic number.

110111220022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110111220022221 is a deficient number, since it is larger than the sum of its proper divisors (65572000854579).

110111220022221 is a wasteful number, since it uses less digits than its factorization.

110111220022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423086 (or 6423083 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110111220022221 its reverse (122220022111011), we get a palindrome (232331242133232).

The spelling of 110111220022221 in words is "one hundred ten trillion, one hundred eleven billion, two hundred twenty million, twenty-two thousand, two hundred twenty-one".