111210213234120 has 768 divisors, whose sum is σ = 460386320486400. Its totient is φ = 20754484899840.

The previous prime is 111210213234091. The next prime is 111210213234149. The reversal of 111210213234120 is 21432312012111.

It is an interprime number because it is at equal distance from previous prime (111210213234091) and next prime (111210213234149).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 191 ways as a sum of consecutive naturals, for example, 164106141 + ... + 164782419.

It is an arithmetic number, because the mean of its divisors is an integer number (599461354800).

Almost surely, 2^{111210213234120} is an apocalyptic number.

111210213234120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111210213234120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230193160243200).

111210213234120 is an abundant number, since it is smaller than the sum of its proper divisors (349176107252280).

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

111210213234120 is a wasteful number, since it uses less digits than its factorization.

111210213234120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676398 (or 676357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 111210213234120 its reverse (21432312012111), we get a palindrome (132642525246231).

The spelling of 111210213234120 in words is "one hundred eleven trillion, two hundred ten billion, two hundred thirteen million, two hundred thirty-four thousand, one hundred twenty".