11212021200222 has 48 divisors (see below), whose sum is σ = 24950403209472. Its totient is φ = 3636166386240.

The previous prime is 11212021200209. The next prime is 11212021200299. The reversal of 11212021200222 is 22200212021211.

It is a happy number.

11212021200222 is a `hidden beast` number, since 1 + 121 + 202 + 120 + 0 + 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 = 11212021200195 and 11212021200204.

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 23 ways as a sum of consecutive naturals, for example, 14775363 + ... + 15515649.

It is an arithmetic number, because the mean of its divisors is an integer number (519800066864).

Almost surely, 2^{11212021200222} is an apocalyptic number.

11212021200222 is an abundant number, since it is smaller than the sum of its proper divisors (13738382009250).

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

11212021200222 is a wasteful number, since it uses less digits than its factorization.

11212021200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763073 (or 763070 counting only the distinct ones).

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

Adding to 11212021200222 its reverse (22200212021211), we get a palindrome (33412233221433).

The spelling of 11212021200222 in words is "eleven trillion, two hundred twelve billion, twenty-one million, two hundred thousand, two hundred twenty-two".