11222011000221 has 16 divisors (see below), whose sum is σ = 17100318476928. Its totient is φ = 6412536000000.

The previous prime is 11222011000217. The next prime is 11222011000223. The reversal of 11222011000221 is 12200011022211.

It is not a de Polignac number, because 11222011000221 - 2² = 11222011000217 is a prime.

It is a super-2 number, since 2×11222011000221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11222011000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222011000223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1727721 + ... + 5042721.

It is an arithmetic number, because the mean of its divisors is an integer number (1068769904808).

Almost surely, 2^{11222011000221} is an apocalyptic number.

It is an amenable number.

11222011000221 is a deficient number, since it is larger than the sum of its proper divisors (5878307476707).

11222011000221 is a wasteful number, since it uses less digits than its factorization.

11222011000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476212.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11222011000221 its reverse (12200011022211), we get a palindrome (23422022022432).

The spelling of 11222011000221 in words is "eleven trillion, two hundred twenty-two billion, eleven million, two hundred twenty-one", and thus it is an aban number.