212102011120011 has 4 divisors (see below), whose sum is σ = 282802681493352. Its totient is φ = 141401340746672.

The previous prime is 212102011120001. The next prime is 212102011120031. The reversal of 212102011120011 is 110021110201212.

It is a happy number.

212102011120011 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 212102011120011 - 2¹³ = 212102011111819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212102011120001) 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, 35350335186666 + ... + 35350335186671.

It is an arithmetic number, because the mean of its divisors is an integer number (70700670373338).

Almost surely, 2^{212102011120011} is an apocalyptic number.

212102011120011 is a deficient number, since it is larger than the sum of its proper divisors (70700670373341).

212102011120011 is an equidigital number, since it uses as much as digits as its factorization.

212102011120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70700670373340.

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

Adding to 212102011120011 its reverse (110021110201212), we get a palindrome (322123121321223).

The spelling of 212102011120011 in words is "two hundred twelve trillion, one hundred two billion, eleven million, one hundred twenty thousand, eleven".