4221112140 has 144 divisors (see below), whose sum is σ = 14784474432. Its totient is φ = 954851328.

The previous prime is 4221112127. The next prime is 4221112183. The reversal of 4221112140 is 412111224.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104952 + ... + 139488.

Almost surely, 2^4221112140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221112140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7392237216).

4221112140 is an abundant number, since it is smaller than the sum of its proper divisors (10563362292).

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

4221112140 is a wasteful number, since it uses less digits than its factorization.

4221112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34656 (or 34651 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4221112140 is about 64970.0865014046. The cubic root of 4221112140 is about 1616.1275361513.

Adding to 4221112140 its reverse (412111224), we get a palindrome (4633223364).

The spelling of 4221112140 in words is "four billion, two hundred twenty-one million, one hundred twelve thousand, one hundred forty".