220112011221102 has 384 divisors, whose sum is σ = 658596175211520. Its totient is φ = 51272495493120.

The previous prime is 220112011221061. The next prime is 220112011221161. The reversal of 220112011221102 is 201122110211022.

220112011221102 is a `hidden beast` number, since 220 + 1 + 120 + 1 + 1 + 221 + 102 = 666.

It is a super-2 number, since 2×220112011221102² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 455091174 + ... + 455574582.

It is an arithmetic number, because the mean of its divisors is an integer number (1715094206280).

Almost surely, 2^{220112011221102} is an apocalyptic number.

220112011221102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 220112011221102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329298087605760).

220112011221102 is an abundant number, since it is smaller than the sum of its proper divisors (438484163990418).

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

220112011221102 is a wasteful number, since it uses less digits than its factorization.

220112011221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484168 (or 484165 counting only the distinct ones).

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

Adding to 220112011221102 its reverse (201122110211022), we get a palindrome (421234121432124).

The spelling of 220112011221102 in words is "two hundred twenty trillion, one hundred twelve billion, eleven million, two hundred twenty-one thousand, one hundred two".