11210212221222 has 64 divisors (see below), whose sum is σ = 26993029939200. Its totient is φ = 3031970447520.

The previous prime is 11210212221209. The next prime is 11210212221293. The reversal of 11210212221222 is 22212221201211.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 4471104 + ... + 6512387.

It is an arithmetic number, because the mean of its divisors is an integer number (421766092800).

Almost surely, 2^{11210212221222} is an apocalyptic number.

11210212221222 is an abundant number, since it is smaller than the sum of its proper divisors (15782817717978).

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

11210212221222 is a wasteful number, since it uses less digits than its factorization.

11210212221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984801.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11210212221222 its reverse (22212221201211), we get a palindrome (33422433422433).

The spelling of 11210212221222 in words is "eleven trillion, two hundred ten billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".