11101000212221 has 8 divisors (see below), whose sum is σ = 11242422777600. Its totient is φ = 10960469903248.

The previous prime is 11101000212187. The next prime is 11101000212223. The reversal of 11101000212221 is 12221200010111.

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 11101000212221 - 2¹⁸ = 11100999950077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101000212196 and 11101000212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101000212223) 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, 223039061 + ... + 223088826.

It is an arithmetic number, because the mean of its divisors is an integer number (1405302847200).

Almost surely, 2^{11101000212221} is an apocalyptic number.

It is an amenable number.

11101000212221 is a deficient number, since it is larger than the sum of its proper divisors (141422565379).

11101000212221 is a wasteful number, since it uses less digits than its factorization.

11101000212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446128203.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11101000212221 its reverse (12221200010111), we get a palindrome (23322200222332).

The spelling of 11101000212221 in words is "eleven trillion, one hundred one billion, two hundred twelve thousand, two hundred twenty-one".