111232122102 has 64 divisors (see below), whose sum is σ = 262477635840. Its totient is φ = 34795686528.

The previous prime is 111232122073. The next prime is 111232122103. The reversal of 111232122102 is 201221232111.

111232122102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111232122103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143953 + ... + 493139.

It is an arithmetic number, because the mean of its divisors is an integer number (4101213060).

Almost surely, 2^111232122102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111232122102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131238817920).

111232122102 is an abundant number, since it is smaller than the sum of its proper divisors (151245513738).

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

111232122102 is a wasteful number, since it uses less digits than its factorization.

111232122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349562 (or 349556 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111232122102 its reverse (201221232111), we get a palindrome (312453354213).

The spelling of 111232122102 in words is "one hundred eleven billion, two hundred thirty-two million, one hundred twenty-two thousand, one hundred two".