221110110122022 has 48 divisors (see below), whose sum is σ = 528496075308240. Its totient is φ = 66250220256000.

The previous prime is 221110110121921. The next prime is 221110110122023. The reversal of 221110110122022 is 220221011011122.

221110110122022 is a `hidden beast` number, since 221 + 1 + 101 + 101 + 220 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 221110110121986 and 221110110122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110110122023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6273677479 + ... + 6273712722.

It is an arithmetic number, because the mean of its divisors is an integer number (11010334902255).

Almost surely, 2^{221110110122022} is an apocalyptic number.

221110110122022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221110110122022 is an abundant number, since it is smaller than the sum of its proper divisors (307385965186218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221110110122022 is a wasteful number, since it uses less digits than its factorization.

221110110122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547390309 (or 12547390306 counting only the distinct ones).

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

Adding to 221110110122022 its reverse (220221011011122), we get a palindrome (441331121133144).

The spelling of 221110110122022 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred ten million, one hundred twenty-two thousand, twenty-two".