20104201023311 has 2 divisors, whose sum is σ = 20104201023312. Its totient is φ = 20104201023310.

The previous prime is 20104201023253. The next prime is 20104201023317. The reversal of 20104201023311 is 11332010240102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20104201023311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20104201023317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052100511655 + 10052100511656.

It is an arithmetic number, because the mean of its divisors is an integer number (10052100511656).

Almost surely, 2^{20104201023311} is an apocalyptic number.

20104201023311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104201023311 is an equidigital number, since it uses as much as digits as its factorization.

20104201023311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20104201023311 its reverse (11332010240102), we get a palindrome (31436211263413).

The spelling of 20104201023311 in words is "twenty trillion, one hundred four billion, two hundred one million, twenty-three thousand, three hundred eleven".