111321232102 has 4 divisors (see below), whose sum is σ = 166981848156. Its totient is φ = 55660616050.

The previous prime is 111321232093. The next prime is 111321232103. The reversal of 111321232102 is 201232123111.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111321232102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321232103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27830308024 + ... + 27830308027.

It is an arithmetic number, because the mean of its divisors is an integer number (41745462039).

Almost surely, 2^111321232102 is an apocalyptic number.

111321232102 is a deficient number, since it is larger than the sum of its proper divisors (55660616054).

111321232102 is an equidigital number, since it uses as much as digits as its factorization.

111321232102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55660616053.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111321232102 its reverse (201232123111), we get a palindrome (312553355213).

The spelling of 111321232102 in words is "one hundred eleven billion, three hundred twenty-one million, two hundred thirty-two thousand, one hundred two".