11211101100101 has 4 divisors (see below), whose sum is σ = 12812686971552. Its totient is φ = 9609515228652.

The previous prime is 11211101100079. The next prime is 11211101100113. The reversal of 11211101100101 is 10100110111211.

It is a happy number.

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 11211101100101 - 2⁶ = 11211101100037 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 (11211101100181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800792935715 + ... + 800792935728.

It is an arithmetic number, because the mean of its divisors is an integer number (3203171742888).

Almost surely, 2^{11211101100101} is an apocalyptic number.

It is an amenable number.

11211101100101 is a deficient number, since it is larger than the sum of its proper divisors (1601585871451).

11211101100101 is an equidigital number, since it uses as much as digits as its factorization.

11211101100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601585871450.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11211101100101 its reverse (10100110111211), we get a palindrome (21311211211312).

The spelling of 11211101100101 in words is "eleven trillion, two hundred eleven billion, one hundred one million, one hundred thousand, one hundred one".