20302134043111 has 2 divisors, whose sum is σ = 20302134043112. Its totient is φ = 20302134043110.

The previous prime is 20302134043073. The next prime is 20302134043171. The reversal of 20302134043111 is 11134043120302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302134043111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302134043171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151067021555 + 10151067021556.

It is an arithmetic number, because the mean of its divisors is an integer number (10151067021556).

Almost surely, 2^{20302134043111} is an apocalyptic number.

20302134043111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302134043111 is an equidigital number, since it uses as much as digits as its factorization.

20302134043111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20302134043111 its reverse (11134043120302), we get a palindrome (31436177163413).

The spelling of 20302134043111 in words is "twenty trillion, three hundred two billion, one hundred thirty-four million, forty-three thousand, one hundred eleven".