222112102021222 has 64 divisors (see below), whose sum is σ = 383268008116224. Its totient is φ = 94566706951680.

The previous prime is 222112102021217. The next prime is 222112102021237. The reversal of 222112102021222 is 222120201211222.

It is a junction number, because it is equal to n+sod(n) for n = 222112102021193 and 222112102021202.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 4944922708 + ... + 4944967624.

It is an arithmetic number, because the mean of its divisors is an integer number (5988562626816).

Almost surely, 2^{222112102021222} is an apocalyptic number.

222112102021222 is a deficient number, since it is larger than the sum of its proper divisors (161155906095002).

222112102021222 is a wasteful number, since it uses less digits than its factorization.

222112102021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48413.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222112102021222 its reverse (222120201211222), we get a palindrome (444232303232444).

The spelling of 222112102021222 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred two million, twenty-one thousand, two hundred twenty-two".