222021222112 has 12 divisors (see below), whose sum is σ = 437104281096. Its totient is φ = 111010611040.

The previous prime is 222021222043. The next prime is 222021222121. The reversal of 222021222112 is 211222120222.

It is a self number, because there is not a number n which added to its sum of digits gives 222021222112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469081564 + ... + 3469081627.

It is an arithmetic number, because the mean of its divisors is an integer number (36425356758).

Almost surely, 2^222021222112 is an apocalyptic number.

It is an amenable number.

222021222112 is a deficient number, since it is larger than the sum of its proper divisors (215083058984).

222021222112 is an equidigital number, since it uses as much as digits as its factorization.

222021222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938163201 (or 6938163193 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222021222112 its reverse (211222120222), we get a palindrome (433243342334).

The spelling of 222021222112 in words is "two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, one hundred twelve".