11221100212101 has 64 divisors (see below), whose sum is σ = 16247754405120. Its totient is φ = 6847499980800.

The previous prime is 11221100212099. The next prime is 11221100212111. The reversal of 11221100212101 is 10121200112211.

It is a happy number.

11221100212101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11221100212101 - 2¹ = 11221100212099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221100212111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7106459130 + ... + 7106460708.

It is an arithmetic number, because the mean of its divisors is an integer number (253871162580).

Almost surely, 2^{11221100212101} is an apocalyptic number.

It is an amenable number.

11221100212101 is a deficient number, since it is larger than the sum of its proper divisors (5026654193019).

11221100212101 is a wasteful number, since it uses less digits than its factorization.

11221100212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11221100212101 its reverse (10121200112211), we get a palindrome (21342300324312).

The spelling of 11221100212101 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, two hundred twelve thousand, one hundred one".