11101002001993 has 4 divisors (see below), whose sum is σ = 11101049318020. Its totient is φ = 11100954685968.

The previous prime is 11101002001861. The next prime is 11101002002003. The reversal of 11101002001993 is 39910020010111.

11101002001993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10781818810624 + 319183191369 = 3283568^2 + 564963^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101002001993 - 2²⁵ = 11100968447561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101032001993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23304330 + ... + 23775907.

It is an arithmetic number, because the mean of its divisors is an integer number (2775262329505).

Almost surely, 2^{11101002001993} is an apocalyptic number.

It is an amenable number.

11101002001993 is a deficient number, since it is larger than the sum of its proper divisors (47316027).

11101002001993 is an equidigital number, since it uses as much as digits as its factorization.

11101002001993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47316026.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 11101002001993 in words is "eleven trillion, one hundred one billion, two million, one thousand, nine hundred ninety-three".