111331203132 has 24 divisors (see below), whose sum is σ = 266793695056. Its totient is φ = 36107417088.

The previous prime is 111331203119. The next prime is 111331203149. The reversal of 111331203132 is 231302133111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111331203099 and 111331203108.

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, 125372533 + ... + 125373420.

Almost surely, 2^111331203132 is an apocalyptic number.

111331203132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111331203132 is an abundant number, since it is smaller than the sum of its proper divisors (155462491924).

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

111331203132 is a wasteful number, since it uses less digits than its factorization.

111331203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250745997 (or 250745995 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111331203132 its reverse (231302133111), we get a palindrome (342633336243).

The spelling of 111331203132 in words is "one hundred eleven billion, three hundred thirty-one million, two hundred three thousand, one hundred thirty-two".