11112121100102 has 32 divisors (see below), whose sum is σ = 18293163081984. Its totient is φ = 5020496762400.

The previous prime is 11112121100099. The next prime is 11112121100123. The reversal of 11112121100102 is 20100112121111.

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 15 ways as a sum of consecutive naturals, for example, 105806477 + ... + 105911447.

It is an arithmetic number, because the mean of its divisors is an integer number (571661346312).

Almost surely, 2^{11112121100102} is an apocalyptic number.

11112121100102 is a deficient number, since it is larger than the sum of its proper divisors (7181041981882).

11112121100102 is a wasteful number, since it uses less digits than its factorization.

11112121100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133964.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112121100102 its reverse (20100112121111), we get a palindrome (31212233221213).

The spelling of 11112121100102 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred thousand, one hundred two".