11101444214221 has 8 divisors (see below), whose sum is σ = 11253711492864. Its totient is φ = 10949182143840.

The previous prime is 11101444214219. The next prime is 11101444214243. The reversal of 11101444214221 is 12241244410111.

It is a happy number.

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 11101444214221 - 2¹ = 11101444214219 is a prime.

It is a super-2 number, since 2×11101444214221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101444214221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101444214251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3091140 + ... + 5635426.

It is an arithmetic number, because the mean of its divisors is an integer number (1406713936608).

Almost surely, 2^{11101444214221} is an apocalyptic number.

It is an amenable number.

11101444214221 is a deficient number, since it is larger than the sum of its proper divisors (152267278643).

11101444214221 is an equidigital number, since it uses as much as digits as its factorization.

11101444214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604131.

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 11101444214221 its reverse (12241244410111), we get a palindrome (23342688624332).

The spelling of 11101444214221 in words is "eleven trillion, one hundred one billion, four hundred forty-four million, two hundred fourteen thousand, two hundred twenty-one".