11101001101973 has 2 divisors, whose sum is σ = 11101001101974. Its totient is φ = 11101001101972.

The previous prime is 11101001101921. The next prime is 11101001102027. The reversal of 11101001101973 is 37910110010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9346123322449 + 1754877779524 = 3057143^2 + 1324718^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101001101973 - 2³⁸ = 10826123195029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101001101903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550500550986 + 5550500550987.

It is an arithmetic number, because the mean of its divisors is an integer number (5550500550987).

Almost surely, 2^{11101001101973} is an apocalyptic number.

It is an amenable number.

11101001101973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101001101973 is an equidigital number, since it uses as much as digits as its factorization.

11101001101973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 26.

The spelling of 11101001101973 in words is "eleven trillion, one hundred one billion, one million, one hundred one thousand, nine hundred seventy-three".