111213141200 has 60 divisors (see below), whose sum is σ = 305359518240. Its totient is φ = 38130218880.

The previous prime is 111213141197. The next prime is 111213141217. The reversal of 111213141200 is 2141312111.

It is a super-2 number, since 2×111213141200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19856690 + ... + 19862289.

It is an arithmetic number, because the mean of its divisors is an integer number (5089325304).

Almost surely, 2^111213141200 is an apocalyptic number.

111213141200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111213141200 is an abundant number, since it is smaller than the sum of its proper divisors (194146377040).

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

111213141200 is a wasteful number, since it uses less digits than its factorization.

111213141200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39719004 (or 39718993 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111213141200 its reverse (2141312111), we get a palindrome (113354453311).

The spelling of 111213141200 in words is "one hundred eleven billion, two hundred thirteen million, one hundred forty-one thousand, two hundred".