222222201120 has 72 divisors (see below), whose sum is σ = 758333266236. Its totient is φ = 59259253248.

The previous prime is 222222201101. The next prime is 222222201191. The reversal of 222222201120 is 21102222222.

222222201120 is a `hidden beast` number, since 222 + 222 + 201 + 1 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 198919568016 + 23302633104 = 446004^2 + 152652^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×222222201120³ (a number of 35 digits) contains 333 as substring.

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 = 222222201093 and 222222201102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77159047 + ... + 77161926.

Almost surely, 2^222222201120 is an apocalyptic number.

222222201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222201120 is an abundant number, since it is smaller than the sum of its proper divisors (536111065116).

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

222222201120 is a wasteful number, since it uses less digits than its factorization.

222222201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154320994 (or 154320983 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222222201120 its reverse (21102222222), we get a palindrome (243324423342).

The spelling of 222222201120 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty".