212111041 has 4 divisors (see below), whose sum is σ = 223274800. Its totient is φ = 200947284.

The previous prime is 212111033. The next prime is 212111051. The reversal of 212111041 is 140111212.

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 212111041 - 2³ = 212111033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212111051) 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, 5581851 + ... + 5581888.

It is an arithmetic number, because the mean of its divisors is an integer number (55818700).

Almost surely, 2^212111041 is an apocalyptic number.

It is an amenable number.

212111041 is a deficient number, since it is larger than the sum of its proper divisors (11163759).

212111041 is a wasteful number, since it uses less digits than its factorization.

212111041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11163758.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 212111041 is about 14564.0324429740. The cubic root of 212111041 is about 596.3772825910.

Adding to 212111041 its reverse (140111212), we get a palindrome (352222253).

The spelling of 212111041 in words is "two hundred twelve million, one hundred eleven thousand, forty-one".