11001021002197 has 4 divisors (see below), whose sum is σ = 11018024126496. Its totient is φ = 10984017877900.

The previous prime is 11001021002129. The next prime is 11001021002203. The reversal of 11001021002197 is 79120012010011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11001021002197 - 2¹⁵ = 11001020969429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001021002497) 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, 8501561179 + ... + 8501562472.

It is an arithmetic number, because the mean of its divisors is an integer number (2754506031624).

Almost surely, 2^{11001021002197} is an apocalyptic number.

It is an amenable number.

11001021002197 is a deficient number, since it is larger than the sum of its proper divisors (17003124299).

11001021002197 is an equidigital number, since it uses as much as digits as its factorization.

11001021002197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003124298.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 11001021002197 in words is "eleven trillion, one billion, twenty-one million, two thousand, one hundred ninety-seven".