11210002122222 has 128 divisors (see below), whose sum is σ = 26056093392000. Its totient is φ = 3567865190400.

The previous prime is 11210002122181. The next prime is 11210002122227. The reversal of 11210002122222 is 22222120001211.

It is a happy number.

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 = 11210002122195 and 11210002122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210002122227) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 134874054 + ... + 134957142.

It is an arithmetic number, because the mean of its divisors is an integer number (203563229625).

Almost surely, 2^{11210002122222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11210002122222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13028046696000).

11210002122222 is an abundant number, since it is smaller than the sum of its proper divisors (14846091269778).

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

11210002122222 is a wasteful number, since it uses less digits than its factorization.

11210002122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84083 (or 84077 counting only the distinct ones).

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

Adding to 11210002122222 its reverse (22222120001211), we get a palindrome (33432122123433).

The spelling of 11210002122222 in words is "eleven trillion, two hundred ten billion, two million, one hundred twenty-two thousand, two hundred twenty-two".