111213132000 has 96 divisors (see below), whose sum is σ = 364334259744. Its totient is φ = 29656832000.

The previous prime is 111213131983. The next prime is 111213132007. The reversal of 111213132000 is 231312111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213132007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4621881 + ... + 4645880.

It is an arithmetic number, because the mean of its divisors is an integer number (3795148539).

Almost surely, 2^111213132000 is an apocalyptic number.

111213132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111213132000 is an abundant number, since it is smaller than the sum of its proper divisors (253121127744).

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

111213132000 is an equidigital number, since it uses as much as digits as its factorization.

111213132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267789 (or 9267771 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111213132000 its reverse (231312111), we get a palindrome (111444444111).

The spelling of 111213132000 in words is "one hundred eleven billion, two hundred thirteen million, one hundred thirty-two thousand".