11221210120101 has 8 divisors (see below), whose sum is σ = 15000677760000. Its totient is φ = 7461274613472.

The previous prime is 11221210120007. The next prime is 11221210120117. The reversal of 11221210120101 is 10102101212211.

It is a happy number.

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

It is not a de Polignac number, because 11221210120101 - 2³⁹ = 10671454306213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221210120121) 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, 4883031976 + ... + 4883034273.

It is an arithmetic number, because the mean of its divisors is an integer number (1875084720000).

Almost surely, 2^{11221210120101} is an apocalyptic number.

It is an amenable number.

11221210120101 is a deficient number, since it is larger than the sum of its proper divisors (3779467639899).

11221210120101 is an equidigital number, since it uses as much as digits as its factorization.

11221210120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766066635.

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

Adding to 11221210120101 its reverse (10102101212211), we get a palindrome (21323311332312).

The spelling of 11221210120101 in words is "eleven trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty thousand, one hundred one".