11001002212222 has 16 divisors (see below), whose sum is σ = 18002349874944. Its totient is φ = 5000258359000.

The previous prime is 11001002212219. The next prime is 11001002212241. The reversal of 11001002212222 is 22221220010011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11001002212196 and 11001002212205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9288304 + ... + 10405507.

It is an arithmetic number, because the mean of its divisors is an integer number (1125146867184).

Almost surely, 2^{11001002212222} is an apocalyptic number.

11001002212222 is a deficient number, since it is larger than the sum of its proper divisors (7001347662722).

11001002212222 is a wasteful number, since it uses less digits than its factorization.

11001002212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19719215.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11001002212222 its reverse (22221220010011), we get a palindrome (33222222222233).

The spelling of 11001002212222 in words is "eleven trillion, one billion, two million, two hundred twelve thousand, two hundred twenty-two".