212212200002111 has 4 divisors (see below), whose sum is σ = 213617578810224. Its totient is φ = 210806821194000.

The previous prime is 212212200002081. The next prime is 212212200002113. The reversal of 212212200002111 is 111200002212212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212212200002111 - 2¹⁴ = 212212199985727 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 212212200002111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212200002113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702689403830 + ... + 702689404131.

It is an arithmetic number, because the mean of its divisors is an integer number (53404394702556).

Almost surely, 2^{212212200002111} is an apocalyptic number.

212212200002111 is a deficient number, since it is larger than the sum of its proper divisors (1405378808113).

212212200002111 is a wasteful number, since it uses less digits than its factorization.

212212200002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405378808112.

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

Adding to 212212200002111 its reverse (111200002212212), we get a palindrome (323412202214323).

The spelling of 212212200002111 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred million, two thousand, one hundred eleven".