212011113133 has 8 divisors (see below), whose sum is σ = 226468926648. Its totient is φ = 197774029824.

The previous prime is 212011113089. The next prime is 212011113143. The reversal of 212011113133 is 331311110212.

It can be written as a sum of positive squares in 4 ways, for example, as 7139912004 + 204871201129 = 84498^2 + 452627^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212011113133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212011113133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011113143) 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, 55180566 + ... + 55184407.

It is an arithmetic number, because the mean of its divisors is an integer number (28308615831).

Almost surely, 2^212011113133 is an apocalyptic number.

It is an amenable number.

212011113133 is a deficient number, since it is larger than the sum of its proper divisors (14457813515).

212011113133 is a wasteful number, since it uses less digits than its factorization.

212011113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110365103.

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

Adding to 212011113133 its reverse (331311110212), we get a palindrome (543322223345).

The spelling of 212011113133 in words is "two hundred twelve billion, eleven million, one hundred thirteen thousand, one hundred thirty-three".