20111010102193 has 2 divisors, whose sum is σ = 20111010102194. Its totient is φ = 20111010102192.

The previous prime is 20111010102143. The next prime is 20111010102223. The reversal of 20111010102193 is 39120101011102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17975971876864 + 2135038225329 = 4239808^2 + 1461177^2 .

It is a cyclic number.

It is not a de Polignac number, because 20111010102193 - 2¹³ = 20111010094001 is a prime.

It is not a weakly prime, because it can be changed into another prime (20111010102143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055505051096 + 10055505051097.

It is an arithmetic number, because the mean of its divisors is an integer number (10055505051097).

Almost surely, 2^{20111010102193} is an apocalyptic number.

It is an amenable number.

20111010102193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111010102193 is an equidigital number, since it uses as much as digits as its factorization.

20111010102193 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 22.

Adding to 20111010102193 its reverse (39120101011102), we get a palindrome (59231111113295).

The spelling of 20111010102193 in words is "twenty trillion, one hundred eleven billion, ten million, one hundred two thousand, one hundred ninety-three".