11112121011102 has 16 divisors (see below), whose sum is σ = 22224573895440. Its totient is φ = 3703985024832.

The previous prime is 11112121011077. The next prime is 11112121011157. The reversal of 11112121011102 is 20111012121111.

11112121011102 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 7 ways as a sum of consecutive naturals, for example, 13391713 + ... + 14197260.

It is an arithmetic number, because the mean of its divisors is an integer number (1389035868465).

Almost surely, 2^{11112121011102} is an apocalyptic number.

11112121011102 is an abundant number, since it is smaller than the sum of its proper divisors (11112452884338).

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

11112121011102 is a wasteful number, since it uses less digits than its factorization.

11112121011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27656107.

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

Adding to 11112121011102 its reverse (20111012121111), we get a palindrome (31223133132213).

The spelling of 11112121011102 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, eleven thousand, one hundred two".