110121022212222 has 128 divisors (see below), whose sum is σ = 258682796467200. Its totient is φ = 30596091724800.

The previous prime is 110121022212221. The next prime is 110121022212283. The reversal of 110121022212222 is 222212220121011.

It is a super-2 number, since 2×110121022212222² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121022212221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 700842604 + ... + 700999712.

It is an arithmetic number, because the mean of its divisors is an integer number (2020959347400).

Almost surely, 2^{110121022212222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110121022212222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129341398233600).

110121022212222 is an abundant number, since it is smaller than the sum of its proper divisors (148561774254978).

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

110121022212222 is a wasteful number, since it uses less digits than its factorization.

110121022212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158482.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 110121022212222 its reverse (222212220121011), we get a palindrome (332333242333233).

The spelling of 110121022212222 in words is "one hundred ten trillion, one hundred twenty-one billion, twenty-two million, two hundred twelve thousand, two hundred twenty-two".