111000212010 has 96 divisors (see below), whose sum is σ = 296513343360. Its totient is φ = 28789098624.

The previous prime is 111000211951. The next prime is 111000212017. The reversal of 111000212010 is 10212000111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111000211983 and 111000212001.

It is not an unprimeable number, because it can be changed into a prime (111000212017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12379789 + ... + 12388751.

It is an arithmetic number, because the mean of its divisors is an integer number (3088680660).

Almost surely, 2^111000212010 is an apocalyptic number.

111000212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111000212010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148256671680).

111000212010 is an abundant number, since it is smaller than the sum of its proper divisors (185513131350).

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

111000212010 is a wasteful number, since it uses less digits than its factorization.

111000212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732 (or 12729 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111000212010 its reverse (10212000111), we get a palindrome (121212212121).

The spelling of 111000212010 in words is "one hundred eleven billion, two hundred twelve thousand, ten".