222220110021120 has 240 divisors, whose sum is σ = 777230656868952. Its totient is φ = 58671975628800.

The previous prime is 222220110021043. The next prime is 222220110021179. The reversal of 222220110021120 is 21120011022222.

It is a happy number.

222220110021120 is a `hidden beast` number, since 2 + 222 + 201 + 10 + 0 + 211 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 218060272394496 + 4159837626624 = 14766864^2 + 2039568^2 .

It is a tau number, because it is divible by the number of its divisors (240).

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 = 222220110021093 and 222220110021102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45420337 + ... + 50074416.

Almost surely, 2^{222220110021120} is an apocalyptic number.

222220110021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220110021120 is an abundant number, since it is smaller than the sum of its proper divisors (555010546847832).

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

222220110021120 is a wasteful number, since it uses less digits than its factorization.

222220110021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95494883 (or 95494864 counting only the distinct ones).

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

Adding to 222220110021120 its reverse (21120011022222), we get a palindrome (243340121043342).

The spelling of 222220110021120 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred ten million, twenty-one thousand, one hundred twenty".