212011210102211 has 4 divisors (see below), whose sum is σ = 228319764725472. Its totient is φ = 195702655478952.

The previous prime is 212011210102193. The next prime is 212011210102249. The reversal of 212011210102211 is 112201012110212.

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 212011210102211 - 2⁶ = 212011210102147 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 212011210102211.

It is not an unprimeable number, because it can be changed into a prime (212011210102261) 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, 8154277311611 + ... + 8154277311636.

It is an arithmetic number, because the mean of its divisors is an integer number (57079941181368).

Almost surely, 2^{212011210102211} is an apocalyptic number.

212011210102211 is a deficient number, since it is larger than the sum of its proper divisors (16308554623261).

212011210102211 is a wasteful number, since it uses less digits than its factorization.

212011210102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16308554623260.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212011210102211 its reverse (112201012110212), we get a palindrome (324212222212423).

The spelling of 212011210102211 in words is "two hundred twelve trillion, eleven billion, two hundred ten million, one hundred two thousand, two hundred eleven".