112121022122212 has 6 divisors (see below), whose sum is σ = 196211788713878. Its totient is φ = 56060511061104.

The previous prime is 112121022122183. The next prime is 112121022122231. The reversal of 112121022122212 is 212221220121211.

It can be written as a sum of positive squares in only one way, i.e., 78838345777216 + 33282676344996 = 8879096^2 + 5769114^2 .

It is a super-2 number, since 2×112121022122212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14015127765273 + ... + 14015127765280.

Almost surely, 2^{112121022122212} is an apocalyptic number.

It is an amenable number.

112121022122212 is a deficient number, since it is larger than the sum of its proper divisors (84090766591666).

112121022122212 is a wasteful number, since it uses less digits than its factorization.

112121022122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030255530557 (or 28030255530555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 112121022122212 its reverse (212221220121211), we get a palindrome (324342242243423).

The spelling of 112121022122212 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, two hundred twelve".