20100111100093 has 2 divisors, whose sum is σ = 20100111100094. Its totient is φ = 20100111100092.

The previous prime is 20100111100049. The next prime is 20100111100103. The reversal of 20100111100093 is 39000111100102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20062847430649 + 37263669444 = 4479157^2 + 193038^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100111100093 - 2²⁹ = 20099574229181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20100111100093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100111100393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050055550046 + 10050055550047.

It is an arithmetic number, because the mean of its divisors is an integer number (10050055550047).

Almost surely, 2^{20100111100093} is an apocalyptic number.

It is an amenable number.

20100111100093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100111100093 is an equidigital number, since it uses as much as digits as its factorization.

20100111100093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 20100111100093 its reverse (39000111100102), we get a palindrome (59100222200195).

The spelling of 20100111100093 in words is "twenty trillion, one hundred billion, one hundred eleven million, one hundred thousand, ninety-three".