210212101111 has 8 divisors (see below), whose sum is σ = 214938030384. Its totient is φ = 205538392320.

The previous prime is 210212101093. The next prime is 210212101117. The reversal of 210212101111 is 111101212012.

It is a happy number.

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 210212101111 - 2⁷ = 210212100983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210212101091 and 210212101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212101117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13046980 + ... + 13063081.

It is an arithmetic number, because the mean of its divisors is an integer number (26867253798).

Almost surely, 2^210212101111 is an apocalyptic number.

210212101111 is a deficient number, since it is larger than the sum of its proper divisors (4725929273).

210212101111 is an equidigital number, since it uses as much as digits as its factorization.

210212101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26110241.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210212101111 its reverse (111101212012), we get a palindrome (321313313123).

The spelling of 210212101111 in words is "two hundred ten billion, two hundred twelve million, one hundred one thousand, one hundred eleven".