212113021033 has 4 divisors (see below), whose sum is σ = 212134441360. Its totient is φ = 212091600708.

The previous prime is 212113021031. The next prime is 212113021037. The reversal of 212113021033 is 330120311212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212113021033 - 2¹ = 212113021031 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 212113021033.

It is not an unprimeable number, because it can be changed into a prime (212113021031) 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, 10695303 + ... + 10715116.

It is an arithmetic number, because the mean of its divisors is an integer number (53033610340).

Almost surely, 2^212113021033 is an apocalyptic number.

It is an amenable number.

212113021033 is a deficient number, since it is larger than the sum of its proper divisors (21420327).

212113021033 is an equidigital number, since it uses as much as digits as its factorization.

212113021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21420326.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212113021033 its reverse (330120311212), we get a palindrome (542233332245).

The spelling of 212113021033 in words is "two hundred twelve billion, one hundred thirteen million, twenty-one thousand, thirty-three".