11100100111073 has 2 divisors, whose sum is σ = 11100100111074. Its totient is φ = 11100100111072.

The previous prime is 11100100111043. The next prime is 11100100111081. The reversal of 11100100111073 is 37011100100111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9589872949504 + 1510227161569 = 3096752^2 + 1228913^2 .

It is an emirp because it is prime and its reverse (37011100100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11100100111073 - 2²⁰ = 11100099062497 is a prime.

It is a super-2 number, since 2×11100100111073² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11100100111013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050055536 + 5550050055537.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050055537).

Almost surely, 2^{11100100111073} is an apocalyptic number.

It is an amenable number.

11100100111073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100100111073 is an equidigital number, since it uses as much as digits as its factorization.

11100100111073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 17.

Adding to 11100100111073 its reverse (37011100100111), we get a palindrome (48111200211184).

The spelling of 11100100111073 in words is "eleven trillion, one hundred billion, one hundred million, one hundred eleven thousand, seventy-three".