11111222210102 has 32 divisors (see below), whose sum is σ = 19497554841600. Its totient is φ = 4649593007808.

The previous prime is 11111222210029. The next prime is 11111222210129. The reversal of 11111222210102 is 20101222211111.

11111222210102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472327 + ... + 4938642.

It is an arithmetic number, because the mean of its divisors is an integer number (609298588800).

Almost surely, 2^{11111222210102} is an apocalyptic number.

11111222210102 is a deficient number, since it is larger than the sum of its proper divisors (8386332631498).

11111222210102 is a wasteful number, since it uses less digits than its factorization.

11111222210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413900.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11111222210102 its reverse (20101222211111), we get a palindrome (31212444421213).

The spelling of 11111222210102 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, one hundred two".