212101112011011 has 16 divisors (see below), whose sum is σ = 282953446646400. Its totient is φ = 141324779726528.

The previous prime is 212101112010967. The next prime is 212101112011031. The reversal of 212101112011011 is 110110211101212.

It is a cyclic number.

It is not a de Polignac number, because 212101112011011 - 2¹⁴ = 212101111994627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212101112011031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39171880 + ... + 44256506.

It is an arithmetic number, because the mean of its divisors is an integer number (17684590415400).

Almost surely, 2^{212101112011011} is an apocalyptic number.

212101112011011 is a deficient number, since it is larger than the sum of its proper divisors (70852334635389).

212101112011011 is a wasteful number, since it uses less digits than its factorization.

212101112011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092098.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 212101112011011 its reverse (110110211101212), we get a palindrome (322211323112223).

The spelling of 212101112011011 in words is "two hundred twelve trillion, one hundred one billion, one hundred twelve million, eleven thousand, eleven".