20344234113211 has 2 divisors, whose sum is σ = 20344234113212. Its totient is φ = 20344234113210.

The previous prime is 20344234113199. The next prime is 20344234113289. The reversal of 20344234113211 is 11231143244302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20344234113211 - 2⁵ = 20344234113179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20344234113611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172117056605 + 10172117056606.

It is an arithmetic number, because the mean of its divisors is an integer number (10172117056606).

Almost surely, 2^{20344234113211} is an apocalyptic number.

20344234113211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344234113211 is an equidigital number, since it uses as much as digits as its factorization.

20344234113211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 20344234113211 its reverse (11231143244302), we get a palindrome (31575377357513).

The spelling of 20344234113211 in words is "twenty trillion, three hundred forty-four billion, two hundred thirty-four million, one hundred thirteen thousand, two hundred eleven".