212020211113 has 4 divisors (see below), whose sum is σ = 213443165700. Its totient is φ = 210597256528.

The previous prime is 212020211083. The next prime is 212020211141. The reversal of 212020211113 is 311112020212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118685073049 + 93335138064 = 344507^2 + 305508^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020211113 - 2⁹ = 212020210601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020217113) 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, 711477070 + ... + 711477367.

It is an arithmetic number, because the mean of its divisors is an integer number (53360791425).

Almost surely, 2^212020211113 is an apocalyptic number.

It is an amenable number.

212020211113 is a deficient number, since it is larger than the sum of its proper divisors (1422954587).

212020211113 is a wasteful number, since it uses less digits than its factorization.

212020211113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422954586.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212020211113 its reverse (311112020212), we get a palindrome (523132231325).

The spelling of 212020211113 in words is "two hundred twelve billion, twenty million, two hundred eleven thousand, one hundred thirteen".