2143440101220 has 192 divisors, whose sum is σ = 6695772733440. Its totient is φ = 507963456000.

The previous prime is 2143440101213. The next prime is 2143440101221. The reversal of 2143440101220 is 221010443412.

It is not an unprimeable number, because it can be changed into a prime (2143440101221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5062629 + ... + 5469651.

It is an arithmetic number, because the mean of its divisors is an integer number (34873816320).

Almost surely, 2^{2143440101220} is an apocalyptic number.

2143440101220 is a gapful number since it is divisible by the number (20) 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 2143440101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3347886366720).

2143440101220 is an abundant number, since it is smaller than the sum of its proper divisors (4552332632220).

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

2143440101220 is a wasteful number, since it uses less digits than its factorization.

2143440101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407226 (or 407224 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2143440101220 its reverse (221010443412), we get a palindrome (2364450544632).

The spelling of 2143440101220 in words is "two trillion, one hundred forty-three billion, four hundred forty million, one hundred one thousand, two hundred twenty".