111021111220102 has 16 divisors (see below), whose sum is σ = 166558408061760. Its totient is φ = 55501642418112.

The previous prime is 111021111220099. The next prime is 111021111220109. The reversal of 111021111220102 is 201022111120111.

111021111220102 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 not an unprimeable number, because it can be changed into a prime (111021111220109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462944658 + ... + 463184410.

It is an arithmetic number, because the mean of its divisors is an integer number (10409900503860).

Almost surely, 2^{111021111220102} is an apocalyptic number.

111021111220102 is a deficient number, since it is larger than the sum of its proper divisors (55537296841658).

111021111220102 is a wasteful number, since it uses less digits than its factorization.

111021111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275967.

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

Adding to 111021111220102 its reverse (201022111120111), we get a palindrome (312043222340213).

Subtracting 111021111220102 from its reverse (201022111120111), we obtain a palindrome (90000999900009).

The spelling of 111021111220102 in words is "one hundred eleven trillion, twenty-one billion, one hundred eleven million, two hundred twenty thousand, one hundred two".