212140041230111 has 4 divisors (see below), whose sum is σ = 216653659128672. Its totient is φ = 207626423331552.

The previous prime is 212140041230083. The next prime is 212140041230153. The reversal of 212140041230111 is 111032140041212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212140041230111 is a prime.

It is a super-2 number, since 2×212140041230111² (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 (212140041230171) 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, 2256808949210 + ... + 2256808949303.

It is an arithmetic number, because the mean of its divisors is an integer number (54163414782168).

Almost surely, 2^{212140041230111} is an apocalyptic number.

212140041230111 is a deficient number, since it is larger than the sum of its proper divisors (4513617898561).

212140041230111 is an equidigital number, since it uses as much as digits as its factorization.

212140041230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513617898560.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 212140041230111 its reverse (111032140041212), we get a palindrome (323172181271323).

The spelling of 212140041230111 in words is "two hundred twelve trillion, one hundred forty billion, forty-one million, two hundred thirty thousand, one hundred eleven".