212001010202111 has 16 divisors (see below), whose sum is σ = 228343650841824. Its totient is φ = 195663353687424.

The previous prime is 212001010202083. The next prime is 212001010202119. The reversal of 212001010202111 is 111202010100212.

It is a cyclic number.

It is not a de Polignac number, because 212001010202111 - 2²² = 212001006007807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001010202119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2647424405 + ... + 2647504481.

It is an arithmetic number, because the mean of its divisors is an integer number (14271478177614).

Almost surely, 2^{212001010202111} is an apocalyptic number.

212001010202111 is a deficient number, since it is larger than the sum of its proper divisors (16342640639713).

212001010202111 is a wasteful number, since it uses less digits than its factorization.

212001010202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108650.

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

Adding to 212001010202111 its reverse (111202010100212), we get a palindrome (323203020302323).

The spelling of 212001010202111 in words is "two hundred twelve trillion, one billion, ten million, two hundred two thousand, one hundred eleven".