222201011102220 has 192 divisors, whose sum is σ = 695475622195200. Its totient is φ = 58895054795520.

The previous prime is 222201011102129. The next prime is 222201011102263. The reversal of 222201011102220 is 22201110102222.

It is a happy number.

222201011102220 is a `hidden beast` number, since 22 + 220 + 101 + 1 + 102 + 220 = 666.

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 = 222201011102193 and 222201011102202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1604142765 + ... + 1604281275.

It is an arithmetic number, because the mean of its divisors is an integer number (3622268865600).

Almost surely, 2^{222201011102220} is an apocalyptic number.

222201011102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222201011102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347737811097600).

222201011102220 is an abundant number, since it is smaller than the sum of its proper divisors (473274611092980).

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

222201011102220 is a wasteful number, since it uses less digits than its factorization.

222201011102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156485 (or 156477 counting only the distinct ones).

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

Adding to 222201011102220 its reverse (22201110102222), we get a palindrome (244402121204442).

The spelling of 222201011102220 in words is "two hundred twenty-two trillion, two hundred one billion, eleven million, one hundred two thousand, two hundred twenty".