102111221102 has 16 divisors (see below), whose sum is σ = 167109796224. Its totient is φ = 46408995000.

The previous prime is 102111221077. The next prime is 102111221221. The reversal of 102111221102 is 201122111201.

102111221102 is digitally balanced in base 3, 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, 55274 + ... + 455277.

It is an arithmetic number, because the mean of its divisors is an integer number (10444362264).

Almost surely, 2^102111221102 is an apocalyptic number.

102111221102 is a deficient number, since it is larger than the sum of its proper divisors (64998575122).

102111221102 is a wasteful number, since it uses less digits than its factorization.

102111221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519655.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102111221102 its reverse (201122111201), we get a palindrome (303233332303).

It can be divided in two parts, 10 and 2111221102, that added together give a palindrome (2111221112).

The spelling of 102111221102 in words is "one hundred two billion, one hundred eleven million, two hundred twenty-one thousand, one hundred two".