11221102111211 has 8 divisors (see below), whose sum is σ = 11616036735600. Its totient is φ = 10826700824800.

The previous prime is 11221102111189. The next prime is 11221102111229. The reversal of 11221102111211 is 11211120112211.

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

It is a de Polignac number, because none of the positive numbers 2^k-11221102111211 is a prime.

It is a super-2 number, since 2×11221102111211² (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 11221102111211.

It is not an unprimeable number, because it can be changed into a prime (11221102111511) 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, 133291676 + ... + 133375833.

It is an arithmetic number, because the mean of its divisors is an integer number (1452004591950).

Almost surely, 2^{11221102111211} is an apocalyptic number.

11221102111211 is a deficient number, since it is larger than the sum of its proper divisors (394934624389).

11221102111211 is a wasteful number, since it uses less digits than its factorization.

11221102111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266668989.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11221102111211 its reverse (11211120112211), we get a palindrome (22432222223422).

The spelling of 11221102111211 in words is "eleven trillion, two hundred twenty-one billion, one hundred two million, one hundred eleven thousand, two hundred eleven".