11221121010222 has 24 divisors (see below), whose sum is σ = 24553145976840. Its totient is φ = 3703340266800.

The previous prime is 11221121010191. The next prime is 11221121010227. The reversal of 11221121010222 is 22201012112211.

11221121010222 is a `hidden beast` number, since 1 + 1 + 221 + 1 + 210 + 10 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11221121010195 and 11221121010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221121010227) 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 11 ways as a sum of consecutive naturals, for example, 3086115072 + ... + 3086118707.

It is an arithmetic number, because the mean of its divisors is an integer number (1023047749035).

Almost surely, 2^{11221121010222} is an apocalyptic number.

11221121010222 is an abundant number, since it is smaller than the sum of its proper divisors (13332024966618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221121010222 is a wasteful number, since it uses less digits than its factorization.

11221121010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172233888 (or 6172233885 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11221121010222 its reverse (22201012112211), we get a palindrome (33422133122433).

The spelling of 11221121010222 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-one million, ten thousand, two hundred twenty-two".