11221012211222 has 64 divisors (see below), whose sum is σ = 19006371014400. Its totient is φ = 4924340023680.

The previous prime is 11221012211191. The next prime is 11221012211237. The reversal of 11221012211222 is 22211221012211.

It is a super-2 number, since 2×11221012211222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221012211194 and 11221012211203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43074908 + ... + 43334624.

It is an arithmetic number, because the mean of its divisors is an integer number (296974547100).

Almost surely, 2^{11221012211222} is an apocalyptic number.

11221012211222 is a deficient number, since it is larger than the sum of its proper divisors (7785358803178).

11221012211222 is a wasteful number, since it uses less digits than its factorization.

11221012211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260301.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11221012211222 its reverse (22211221012211), we get a palindrome (33432233223433).

The spelling of 11221012211222 in words is "eleven trillion, two hundred twenty-one billion, twelve million, two hundred eleven thousand, two hundred twenty-two".