212021101112 has 16 divisors (see below), whose sum is σ = 414823893840. Its totient is φ = 101401396096.

The previous prime is 212021101087. The next prime is 212021101121. The reversal of 212021101112 is 211101120212.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 576144113 + ... + 576144480.

It is an arithmetic number, because the mean of its divisors is an integer number (25926493365).

Almost surely, 2^212021101112 is an apocalyptic number.

It is an amenable number.

212021101112 is a deficient number, since it is larger than the sum of its proper divisors (202802792728).

212021101112 is a wasteful number, since it uses less digits than its factorization.

212021101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152288622 (or 1152288618 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212021101112 its reverse (211101120212), we get a palindrome (423122221324).

The spelling of 212021101112 in words is "two hundred twelve billion, twenty-one million, one hundred one thousand, one hundred twelve".