112121022212 has 6 divisors (see below), whose sum is σ = 196211788878. Its totient is φ = 56060511104.

The previous prime is 112121022193. The next prime is 112121022229. The reversal of 112121022212 is 212220121211.

It can be written as a sum of positive squares in only one way, i.e., 102768971776 + 9352050436 = 320576^2 + 96706^2 .

It is a super-2 number, since 2×112121022212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14015127773 + ... + 14015127780.

It is an arithmetic number, because the mean of its divisors is an integer number (32701964813).

Almost surely, 2^112121022212 is an apocalyptic number.

It is an amenable number.

112121022212 is a deficient number, since it is larger than the sum of its proper divisors (84090766666).

112121022212 is a wasteful number, since it uses less digits than its factorization.

112121022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030255557 (or 28030255555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112121022212 its reverse (212220121211), we get a palindrome (324341143423).

The spelling of 112121022212 in words is "one hundred twelve billion, one hundred twenty-one million, twenty-two thousand, two hundred twelve".