212112110120111 has 8 divisors (see below), whose sum is σ = 213989897625504. Its totient is φ = 210234334705920.

The previous prime is 212112110120089. The next prime is 212112110120123. The reversal of 212112110120111 is 111021011211212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212112110120111 - 2¹⁴ = 212112110103727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212112110120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112110122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34242371 + ... + 39959531.

It is an arithmetic number, because the mean of its divisors is an integer number (26748737203188).

Almost surely, 2^{212112110120111} is an apocalyptic number.

212112110120111 is a deficient number, since it is larger than the sum of its proper divisors (1877787505393).

212112110120111 is a wasteful number, since it uses less digits than its factorization.

212112110120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045601.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 212112110120111 its reverse (111021011211212), we get a palindrome (323133121331323).

The spelling of 212112110120111 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred ten million, one hundred twenty thousand, one hundred eleven".