20130113230111 has 2 divisors, whose sum is σ = 20130113230112. Its totient is φ = 20130113230110.

The previous prime is 20130113230103. The next prime is 20130113230127. The reversal of 20130113230111 is 11103231103102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130113230111 - 2³ = 20130113230103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130113230181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065056615055 + 10065056615056.

It is an arithmetic number, because the mean of its divisors is an integer number (10065056615056).

Almost surely, 2^{20130113230111} is an apocalyptic number.

20130113230111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130113230111 is an equidigital number, since it uses as much as digits as its factorization.

20130113230111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20130113230111 its reverse (11103231103102), we get a palindrome (31233344333213).

The spelling of 20130113230111 in words is "twenty trillion, one hundred thirty billion, one hundred thirteen million, two hundred thirty thousand, one hundred eleven".