11221010212222 has 16 divisors (see below), whose sum is σ = 17391619020672. Its totient is φ = 5424161196960.

The previous prime is 11221010212213. The next prime is 11221010212229. The reversal of 11221010212222 is 22221201012211.

It is a super-2 number, since 2×11221010212222² (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 11221010212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221010212229) 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, 89267913 + ... + 89393524.

It is an arithmetic number, because the mean of its divisors is an integer number (1086976188792).

Almost surely, 2^{11221010212222} is an apocalyptic number.

11221010212222 is a deficient number, since it is larger than the sum of its proper divisors (6170608808450).

11221010212222 is a wasteful number, since it uses less digits than its factorization.

11221010212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178662483.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11221010212222 its reverse (22221201012211), we get a palindrome (33442211224433).

The spelling of 11221010212222 in words is "eleven trillion, two hundred twenty-one billion, ten million, two hundred twelve thousand, two hundred twenty-two".