11001012002101 has 4 divisors (see below), whose sum is σ = 12001104002304. Its totient is φ = 10000920001900.

The previous prime is 11001012002051. The next prime is 11001012002131. The reversal of 11001012002101 is 10120021010011.

11001012002101 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, 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 11001012002101 - 2¹⁵ = 11001011969333 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 (11001012002131) 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, 500046000085 + ... + 500046000106.

It is an arithmetic number, because the mean of its divisors is an integer number (3000276000576).

Almost surely, 2^{11001012002101} is an apocalyptic number.

11001012002101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001012002101 is a deficient number, since it is larger than the sum of its proper divisors (1000092000203).

11001012002101 is a wasteful number, since it uses less digits than its factorization.

11001012002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000092000202.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11001012002101 its reverse (10120021010011), we get a palindrome (21121033012112).

The spelling of 11001012002101 in words is "eleven trillion, one billion, twelve million, two thousand, one hundred one".