11211201221101 has 8 divisors (see below), whose sum is σ = 12812858642304. Its totient is φ = 9609558111600.

The previous prime is 11211201221089. The next prime is 11211201221113. The reversal of 11211201221101 is 10112210211211.

It is an interprime number because it is at equal distance from previous prime (11211201221089) and next prime (11211201221113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211201221101 - 2⁵ = 11211201221069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211201224101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843225 + ... + 5081326.

It is an arithmetic number, because the mean of its divisors is an integer number (1601607330288).

Almost surely, 2^{11211201221101} is an apocalyptic number.

It is an amenable number.

11211201221101 is a deficient number, since it is larger than the sum of its proper divisors (1601657421203).

11211201221101 is an equidigital number, since it uses as much as digits as its factorization.

11211201221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155851.

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

Adding to 11211201221101 its reverse (10112210211211), we get a palindrome (21323411432312).

The spelling of 11211201221101 in words is "eleven trillion, two hundred eleven billion, two hundred one million, two hundred twenty-one thousand, one hundred one".