2112110021212 has 6 divisors (see below), whose sum is σ = 3696192537128. Its totient is φ = 1056055010604.

The previous prime is 2112110021179. The next prime is 2112110021227. The reversal of 2112110021212 is 2121200112112.

It is a super-2 number, since 2×2112110021212² (a number of 25 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 as a sum of consecutive naturals, namely, 264013752648 + ... + 264013752655.

Almost surely, 2^{2112110021212} is an apocalyptic number.

It is an amenable number.

2112110021212 is a deficient number, since it is larger than the sum of its proper divisors (1584082515916).

2112110021212 is a wasteful number, since it uses less digits than its factorization.

2112110021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528027505307 (or 528027505305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112110021212 its reverse (2121200112112), we get a palindrome (4233310133324).

The spelling of 2112110021212 in words is "two trillion, one hundred twelve billion, one hundred ten million, twenty-one thousand, two hundred twelve".