110221122222 has 32 divisors (see below), whose sum is σ = 247224960000. Its totient is φ = 36397004184.

The previous prime is 110221122203. The next prime is 110221122229. The reversal of 110221122222 is 222221122011.

It is a happy number.

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 = 110221122195 and 110221122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221122229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9532222 + ... + 9543777.

It is an arithmetic number, because the mean of its divisors is an integer number (7725780000).

Almost surely, 2^110221122222 is an apocalyptic number.

110221122222 is an abundant number, since it is smaller than the sum of its proper divisors (137003837778).

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

110221122222 is a wasteful number, since it uses less digits than its factorization.

110221122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19076117 (or 19076111 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 110221122222 its reverse (222221122011), we get a palindrome (332442244233).

The spelling of 110221122222 in words is "one hundred ten billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".