213112334234011 has 4 divisors (see below), whose sum is σ = 213881692841632. Its totient is φ = 212342975626392.

The previous prime is 213112334233979. The next prime is 213112334234083. The reversal of 213112334234011 is 110432433211312.

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 213112334234011 - 2⁵ = 213112334233979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213112334234311) 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, 384679303395 + ... + 384679303948.

It is an arithmetic number, because the mean of its divisors is an integer number (53470423210408).

Almost surely, 2^{213112334234011} is an apocalyptic number.

213112334234011 is a deficient number, since it is larger than the sum of its proper divisors (769358607621).

213112334234011 is an equidigital number, since it uses as much as digits as its factorization.

213112334234011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769358607620.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 213112334234011 its reverse (110432433211312), we get a palindrome (323544767445323).

The spelling of 213112334234011 in words is "two hundred thirteen trillion, one hundred twelve billion, three hundred thirty-four million, two hundred thirty-four thousand, eleven".