11112111102102 has 32 divisors (see below), whose sum is σ = 23036324112384. Its totient is φ = 3569678294400.

The previous prime is 11112111102067. The next prime is 11112111102119. The reversal of 11112111102102 is 20120111121111.

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, 123902338 + ... + 123991989.

It is an arithmetic number, because the mean of its divisors is an integer number (719885128512).

Almost surely, 2^{11112111102102} is an apocalyptic number.

11112111102102 is an abundant number, since it is smaller than the sum of its proper divisors (11924213010282).

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

11112111102102 is a wasteful number, since it uses less digits than its factorization.

11112111102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247894604.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11112111102102 its reverse (20120111121111), we get a palindrome (31232222223213).

The spelling of 11112111102102 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, one hundred two thousand, one hundred two".