20111210122063 has 2 divisors, whose sum is σ = 20111210122064. Its totient is φ = 20111210122062.

The previous prime is 20111210122039. The next prime is 20111210122169. The reversal of 20111210122063 is 36022101211102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20111210122063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111210122463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055605061031 + 10055605061032.

It is an arithmetic number, because the mean of its divisors is an integer number (10055605061032).

Almost surely, 2^{20111210122063} is an apocalyptic number.

20111210122063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111210122063 is an equidigital number, since it uses as much as digits as its factorization.

20111210122063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 20111210122063 its reverse (36022101211102), we get a palindrome (56133311333165).

The spelling of 20111210122063 in words is "twenty trillion, one hundred eleven billion, two hundred ten million, one hundred twenty-two thousand, sixty-three".