212113113 has 8 divisors (see below), whose sum is σ = 284064288. Its totient is φ = 140785344.

The previous prime is 212113081. The next prime is 212113117. The reversal of 212113113 is 311311212.

It is a happy number.

212113113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212113113 - 2⁵ = 212113081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212113092 and 212113101.

It is not an unprimeable number, because it can be changed into a prime (212113117) 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, 155056 + ... + 156417.

It is an arithmetic number, because the mean of its divisors is an integer number (35508036).

Almost surely, 2^212113113 is an apocalyptic number.

It is an amenable number.

212113113 is a deficient number, since it is larger than the sum of its proper divisors (71951175).

212113113 is a wasteful number, since it uses less digits than its factorization.

212113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311703.

The product of its digits is 36, while the sum is 15.

The square root of 212113113 is about 14564.1035769456. The cubic root of 212113113 is about 596.3792244822.

Adding to 212113113 its reverse (311311212), we get a palindrome (523424325).

It can be divided in two parts, 212113 and 113, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 212113113 in words is "two hundred twelve million, one hundred thirteen thousand, one hundred thirteen".