11221200102222 has 64 divisors (see below), whose sum is σ = 28385644561920. Its totient is φ = 3252521764800.

The previous prime is 11221200102191. The next prime is 11221200102241. The reversal of 11221200102222 is 22220100212211.

It is a happy number.

11221200102222 is a `hidden beast` number, since 11 + 221 + 200 + 10 + 2 + 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 = 11221200102195 and 11221200102204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410658279 + ... + 410685602.

It is an arithmetic number, because the mean of its divisors is an integer number (443525696280).

Almost surely, 2^{11221200102222} is an apocalyptic number.

11221200102222 is an abundant number, since it is smaller than the sum of its proper divisors (17164444459698).

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

11221200102222 is a wasteful number, since it uses less digits than its factorization.

11221200102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821343926 (or 821343920 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11221200102222 its reverse (22220100212211), we get a palindrome (33441300314433).

The spelling of 11221200102222 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, one hundred two thousand, two hundred twenty-two".