112121021222222 has 16 divisors (see below), whose sum is σ = 172158377121792. Its totient is φ = 54740430443160.

The previous prime is 112121021222183. The next prime is 112121021222263. The reversal of 112121021222222 is 222222120121211.

It is a super-2 number, since 2×112121021222222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383691298 + ... + 1383772325.

It is an arithmetic number, because the mean of its divisors is an integer number (10759898570112).

Almost surely, 2^{112121021222222} is an apocalyptic number.

112121021222222 is a deficient number, since it is larger than the sum of its proper divisors (60037355899570).

112121021222222 is a wasteful number, since it uses less digits than its factorization.

112121021222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767464103.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 112121021222222 its reverse (222222120121211), we get a palindrome (334343141343433).

The spelling of 112121021222222 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".