11211200022222 has 48 divisors (see below), whose sum is σ = 24973245334752. Its totient is φ = 3632304513600.

The previous prime is 11211200022203. The next prime is 11211200022227. The reversal of 11211200022222 is 22222000211211.

It is a happy number.

11211200022222 is a `hidden beast` number, since 11 + 211 + 200 + 0 + 22 + 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 = 11211200022195 and 11211200022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211200022227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8060029 + ... + 9348072.

It is an arithmetic number, because the mean of its divisors is an integer number (520275944474).

Almost surely, 2^{11211200022222} is an apocalyptic number.

11211200022222 is an abundant number, since it is smaller than the sum of its proper divisors (13762045312530).

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

11211200022222 is a wasteful number, since it uses less digits than its factorization.

11211200022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409113 (or 17409110 counting only the distinct ones).

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

Adding to 11211200022222 its reverse (22222000211211), we get a palindrome (33433200233433).

The spelling of 11211200022222 in words is "eleven trillion, two hundred eleven billion, two hundred million, twenty-two thousand, two hundred twenty-two".