212121101001112 has 32 divisors (see below), whose sum is σ = 398166375635280. Its totient is φ = 105943445435520.

The previous prime is 212121101001101. The next prime is 212121101001221. The reversal of 212121101001112 is 211100101121212.

212121101001112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×212121101001112³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 35296162 + ... + 40866382.

Almost surely, 2^{212121101001112} is an apocalyptic number.

It is an amenable number.

212121101001112 is a deficient number, since it is larger than the sum of its proper divisors (186045274634168).

212121101001112 is a wasteful number, since it uses less digits than its factorization.

212121101001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575483 (or 5575479 counting only the distinct ones).

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

Adding to 212121101001112 its reverse (211100101121212), we get a palindrome (423221202122324).

The spelling of 212121101001112 in words is "two hundred twelve trillion, one hundred twenty-one billion, one hundred one million, one thousand, one hundred twelve".