212013113311 has 16 divisors (see below), whose sum is σ = 214554203136. Its totient is φ = 209486946816.

The previous prime is 212013113287. The next prime is 212013113329. The reversal of 212013113311 is 113311310212.

It is a cyclic number.

It is not a de Polignac number, because 212013113311 - 2¹³ = 212013105119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013113381) 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, 65902375 + ... + 65905591.

It is an arithmetic number, because the mean of its divisors is an integer number (13409637696).

Almost surely, 2^212013113311 is an apocalyptic number.

212013113311 is a deficient number, since it is larger than the sum of its proper divisors (2541089825).

212013113311 is a wasteful number, since it uses less digits than its factorization.

212013113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 212013113311 its reverse (113311310212), we get a palindrome (325324423523).

The spelling of 212013113311 in words is "two hundred twelve billion, thirteen million, one hundred thirteen thousand, three hundred eleven".