20111203211093 has 2 divisors, whose sum is σ = 20111203211094. Its totient is φ = 20111203211092.

The previous prime is 20111203211041. The next prime is 20111203211159. The reversal of 20111203211093 is 39011230211102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12791159119729 + 7320044091364 = 3576473^2 + 2705558^2 .

It is a cyclic number.

It is not a de Polignac number, because 20111203211093 - 2⁸ = 20111203210837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111203210093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055601605546 + 10055601605547.

It is an arithmetic number, because the mean of its divisors is an integer number (10055601605547).

Almost surely, 2^{20111203211093} is an apocalyptic number.

It is an amenable number.

20111203211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111203211093 is an equidigital number, since it uses as much as digits as its factorization.

20111203211093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 20111203211093 its reverse (39011230211102), we get a palindrome (59122433422195).

The spelling of 20111203211093 in words is "twenty trillion, one hundred eleven billion, two hundred three million, two hundred eleven thousand, ninety-three".