212102121010011 has 8 divisors (see below), whose sum is σ = 282803065996800. Its totient is φ = 141401295014952.

The previous prime is 212102121010001. The next prime is 212102121010033. The reversal of 212102121010011 is 110010121201212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-212102121010011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212102121010001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25502211 + ... + 32780588.

It is an arithmetic number, because the mean of its divisors is an integer number (35350383249600).

Almost surely, 2^{212102121010011} is an apocalyptic number.

212102121010011 is a deficient number, since it is larger than the sum of its proper divisors (70700944986789).

212102121010011 is a wasteful number, since it uses less digits than its factorization.

212102121010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59495865.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212102121010011 its reverse (110010121201212), we get a palindrome (322112242211223).

The spelling of 212102121010011 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-one million, ten thousand, eleven".