111212113300 has 36 divisors (see below), whose sum is σ = 241428644800. Its totient is φ = 44466714720.

The previous prime is 111212113273. The next prime is 111212113321. The reversal of 111212113300 is 3311212111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21301 + ... + 472099.

Almost surely, 2^111212113300 is an apocalyptic number.

111212113300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111212113300 is an abundant number, since it is smaller than the sum of its proper divisors (130216531500).

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

111212113300 is a wasteful number, since it uses less digits than its factorization.

111212113300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453280 (or 453273 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111212113300 its reverse (3311212111), we get a palindrome (114523325411).

The spelling of 111212113300 in words is "one hundred eleven billion, two hundred twelve million, one hundred thirteen thousand, three hundred".