111214113212 has 12 divisors (see below), whose sum is σ = 194774764800. Its totient is φ = 55564180416.

The previous prime is 111214113211. The next prime is 111214113259. The reversal of 111214113212 is 212311412111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111214113211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10713212 + ... + 10723587.

It is an arithmetic number, because the mean of its divisors is an integer number (16231230400).

Almost surely, 2^111214113212 is an apocalyptic number.

It is an amenable number.

111214113212 is a deficient number, since it is larger than the sum of its proper divisors (83560651588).

111214113212 is a wasteful number, since it uses less digits than its factorization.

111214113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21438100 (or 21438098 counting only the distinct ones).

The product of its digits is 96, while the sum is 20.

Adding to 111214113212 its reverse (212311412111), we get a palindrome (323525525323).

The spelling of 111214113212 in words is "one hundred eleven billion, two hundred fourteen million, one hundred thirteen thousand, two hundred twelve".