222201111021120 has 448 divisors, whose sum is σ = 977300127590400. Its totient is φ = 46171659294720.

The previous prime is 222201111021107. The next prime is 222201111021161. The reversal of 222201111021120 is 21120111102222.

222201111021120 is a `hidden beast` number, since 222 + 201 + 1 + 1 + 10 + 211 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

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 = 222201111021093 and 222201111021102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166332910 + ... + 167663469.

Almost surely, 2^{222201111021120} is an apocalyptic number.

222201111021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201111021120 is an abundant number, since it is smaller than the sum of its proper divisors (755099016569280).

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

222201111021120 is a wasteful number, since it uses less digits than its factorization.

222201111021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333996423 (or 333996407 counting only the distinct ones).

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

Adding to 222201111021120 its reverse (21120111102222), we get a palindrome (243321222123342).

The spelling of 222201111021120 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred eleven million, twenty-one thousand, one hundred twenty".