212010202111 has 4 divisors (see below), whose sum is σ = 212402088424. Its totient is φ = 211618315800.

The previous prime is 212010202049. The next prime is 212010202153. The reversal of 212010202111 is 111202010212.

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 212010202111 - 2²³ = 212001813503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212010202091 and 212010202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010205111) 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, 195942345 + ... + 195943426.

It is an arithmetic number, because the mean of its divisors is an integer number (53100522106).

Almost surely, 2^212010202111 is an apocalyptic number.

212010202111 is a deficient number, since it is larger than the sum of its proper divisors (391886313).

212010202111 is an equidigital number, since it uses as much as digits as its factorization.

212010202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391886312.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212010202111 its reverse (111202010212), we get a palindrome (323212212323).

The spelling of 212010202111 in words is "two hundred twelve billion, ten million, two hundred two thousand, one hundred eleven".