111210322212 has 108 divisors (see below), whose sum is σ = 309449697648. Its totient is φ = 33650416800.

The previous prime is 111210322189. The next prime is 111210322217. The reversal of 111210322212 is 212223012111.

111210322212 is a `hidden beast` number, since 11 + 121 + 0 + 322 + 212 = 666.

111210322212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111210322217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2991523 + ... + 3028469.

Almost surely, 2^111210322212 is an apocalyptic number.

111210322212 is a gapful number since it is divisible by the number (12) 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 111210322212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154724848824).

111210322212 is an abundant number, since it is smaller than the sum of its proper divisors (198239375436).

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

111210322212 is a wasteful number, since it uses less digits than its factorization.

111210322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37670 (or 37654 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111210322212 its reverse (212223012111), we get a palindrome (323433334323).

The spelling of 111210322212 in words is "one hundred eleven billion, two hundred ten million, three hundred twenty-two thousand, two hundred twelve".