11101221002101 has 16 divisors (see below), whose sum is σ = 11296616198400. Its totient is φ = 10906722021888.

The previous prime is 11101221002093. The next prime is 11101221002117. The reversal of 11101221002101 is 10120012210111.

It is a happy number.

11101221002101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11101221002101 - 2³ = 11101221002093 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 (11101221003101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65959665 + ... + 66127753.

It is an arithmetic number, because the mean of its divisors is an integer number (706038512400).

Almost surely, 2^{11101221002101} is an apocalyptic number.

It is an amenable number.

11101221002101 is a deficient number, since it is larger than the sum of its proper divisors (195395196299).

11101221002101 is a wasteful number, since it uses less digits than its factorization.

11101221002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170748.

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

Adding to 11101221002101 its reverse (10120012210111), we get a palindrome (21221233212212).

The spelling of 11101221002101 in words is "eleven trillion, one hundred one billion, two hundred twenty-one million, two thousand, one hundred one".