11211000102221 has 8 divisors (see below), whose sum is σ = 11950433155200. Its totient is φ = 10486505090880.

The previous prime is 11211000102217. The next prime is 11211000102257. The reversal of 11211000102221 is 12220100011211.

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 11211000102221 - 2² = 11211000102217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211000102196 and 11211000102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211000102821) 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, 3734508860 + ... + 3734511861.

It is an arithmetic number, because the mean of its divisors is an integer number (1493804144400).

Almost surely, 2^{11211000102221} is an apocalyptic number.

It is an amenable number.

11211000102221 is a deficient number, since it is larger than the sum of its proper divisors (739433052979).

11211000102221 is an equidigital number, since it uses as much as digits as its factorization.

11211000102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469020819.

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

Adding to 11211000102221 its reverse (12220100011211), we get a palindrome (23431100113432).

The spelling of 11211000102221 in words is "eleven trillion, two hundred eleven billion, one hundred two thousand, two hundred twenty-one".