111103210131232 has 576 divisors, whose sum is σ = 274465006865280. Its totient is φ = 43948929024000.

The previous prime is 111103210131211. The next prime is 111103210131241. The reversal of 111103210131232 is 232131012301111.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 95 ways as a sum of consecutive naturals, for example, 9993986538 + ... + 9993997654.

It is an arithmetic number, because the mean of its divisors is an integer number (476501748030).

Almost surely, 2^{111103210131232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111103210131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137232503432640).

111103210131232 is an abundant number, since it is smaller than the sum of its proper divisors (163361796734048).

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

111103210131232 is a wasteful number, since it uses less digits than its factorization.

111103210131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11377 (or 11358 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 111103210131232 its reverse (232131012301111), we get a palindrome (343234222432343).

The spelling of 111103210131232 in words is "one hundred eleven trillion, one hundred three billion, two hundred ten million, one hundred thirty-one thousand, two hundred thirty-two".