4311221324112 has 40 divisors (see below), whose sum is σ = 12374801950080. Its totient is φ = 1437073774560.

The previous prime is 4311221324089. The next prime is 4311221324141. The reversal of 4311221324112 is 2114231221134.

4311221324112 is a `hidden beast` number, since 4 + 3 + 1 + 1 + 221 + 324 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4989839064 + ... + 4989839927.

It is an arithmetic number, because the mean of its divisors is an integer number (309370048752).

Almost surely, 2^{4311221324112} is an apocalyptic number.

It is an amenable number.

4311221324112 is an abundant number, since it is smaller than the sum of its proper divisors (8063580625968).

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

4311221324112 is a wasteful number, since it uses less digits than its factorization.

4311221324112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9979679008 (or 9979678996 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 4311221324112 its reverse (2114231221134), we get a palindrome (6425452545246).

The spelling of 4311221324112 in words is "four trillion, three hundred eleven billion, two hundred twenty-one million, three hundred twenty-four thousand, one hundred twelve".