11211222112102 has 8 divisors (see below), whose sum is σ = 16851941380800. Its totient is φ = 5593908318504.

The previous prime is 11211222112063. The next prime is 11211222112117. The reversal of 11211222112102 is 20121122211211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11211222112102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5851367577 + ... + 5851369492.

It is an arithmetic number, because the mean of its divisors is an integer number (2106492672600).

Almost surely, 2^{11211222112102} is an apocalyptic number.

11211222112102 is a deficient number, since it is larger than the sum of its proper divisors (5640719268698).

11211222112102 is a wasteful number, since it uses less digits than its factorization.

11211222112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702737550.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11211222112102 its reverse (20121122211211), we get a palindrome (31332344323313).

The spelling of 11211222112102 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, one hundred two".