11001021122101 has 4 divisors (see below), whose sum is σ = 11029744415232. Its totient is φ = 10972297828972.

The previous prime is 11001021122083. The next prime is 11001021122149. The reversal of 11001021122101 is 10122112010011.

It is a happy number.

11001021122101 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 11001021122101 - 2¹³ = 11001021113909 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 (11001021122191) 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, 14361645991 + ... + 14361646756.

It is an arithmetic number, because the mean of its divisors is an integer number (2757436103808).

Almost surely, 2^{11001021122101} is an apocalyptic number.

It is an amenable number.

11001021122101 is a deficient number, since it is larger than the sum of its proper divisors (28723293131).

11001021122101 is an equidigital number, since it uses as much as digits as its factorization.

11001021122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28723293130.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001021122101 its reverse (10122112010011), we get a palindrome (21123133132112).

The spelling of 11001021122101 in words is "eleven trillion, one billion, twenty-one million, one hundred twenty-two thousand, one hundred one".