110221212222 has 48 divisors (see below), whose sum is σ = 263820660480. Its totient is φ = 32977573200.

The previous prime is 110221212221. The next prime is 110221212239. The reversal of 110221212222 is 222212122011.

It is a happy number.

110221212222 is a `hidden beast` number, since 1 + 10 + 221 + 212 + 222 = 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 = 110221212195 and 110221212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221212221) 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, 3507604 + ... + 3538887.

It is an arithmetic number, because the mean of its divisors is an integer number (5496263760).

Almost surely, 2^110221212222 is an apocalyptic number.

110221212222 is an abundant number, since it is smaller than the sum of its proper divisors (153599448258).

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

110221212222 is a wasteful number, since it uses less digits than its factorization.

110221212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046589 (or 7046586 counting only the distinct ones).

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

Adding to 110221212222 its reverse (222212122011), we get a palindrome (332433334233).

The spelling of 110221212222 in words is "one hundred ten billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twenty-two".