212241040111 has 4 divisors (see below), whose sum is σ = 213066880992. Its totient is φ = 211415199232.

The previous prime is 212241040097. The next prime is 212241040127. The reversal of 212241040111 is 111040142212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212241040111 - 2⁹ = 212241039599 is a prime.

It is a super-2 number, since 2×212241040111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212241040811) 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, 412920055 + ... + 412920568.

It is an arithmetic number, because the mean of its divisors is an integer number (53266720248).

Almost surely, 2^212241040111 is an apocalyptic number.

212241040111 is a deficient number, since it is larger than the sum of its proper divisors (825840881).

212241040111 is an equidigital number, since it uses as much as digits as its factorization.

212241040111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825840880.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212241040111 its reverse (111040142212), we get a palindrome (323281182323).

The spelling of 212241040111 in words is "two hundred twelve billion, two hundred forty-one million, forty thousand, one hundred eleven".