111401035212 has 48 divisors (see below), whose sum is σ = 260320338432. Its totient is φ = 37078789440.

The previous prime is 111401035199. The next prime is 111401035237. The reversal of 111401035212 is 212530104111.

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 15 ways as a sum of consecutive naturals, for example, 36679758 + ... + 36682794.

It is an arithmetic number, because the mean of its divisors is an integer number (5423340384).

Almost surely, 2^111401035212 is an apocalyptic number.

111401035212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111401035212 is an abundant number, since it is smaller than the sum of its proper divisors (148919303220).

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

111401035212 is a wasteful number, since it uses less digits than its factorization.

111401035212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558 (or 6556 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 111401035212 its reverse (212530104111), we get a palindrome (323931139323).

The spelling of 111401035212 in words is "one hundred eleven billion, four hundred one million, thirty-five thousand, two hundred twelve".