212234343334111 has 4 divisors (see below), whose sum is σ = 242553535238992. Its totient is φ = 181915151429232.

The previous prime is 212234343334109. The next prime is 212234343334129. The reversal of 212234343334111 is 111433343432212.

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 212234343334111 - 2¹ = 212234343334109 is a prime.

It is a super-2 number, since 2×212234343334111² (a number of 29 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 (212234343334411) 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, 15159595952430 + ... + 15159595952443.

It is an arithmetic number, because the mean of its divisors is an integer number (60638383809748).

Almost surely, 2^{212234343334111} is an apocalyptic number.

212234343334111 is a deficient number, since it is larger than the sum of its proper divisors (30319191904881).

212234343334111 is an equidigital number, since it uses as much as digits as its factorization.

212234343334111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30319191904880.

The product of its digits is 124416, while the sum is 37.

Adding to 212234343334111 its reverse (111433343432212), we get a palindrome (323667686766323).

The spelling of 212234343334111 in words is "two hundred twelve trillion, two hundred thirty-four billion, three hundred forty-three million, three hundred thirty-four thousand, one hundred eleven".