2221213222140 has 192 divisors, whose sum is σ = 7161799680000. Its totient is φ = 508713073920.

The previous prime is 2221213222097. The next prime is 2221213222153. The reversal of 2221213222140 is 412223121222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221213222140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4255161 + ... + 4748559.

It is an arithmetic number, because the mean of its divisors is an integer number (37301040000).

Almost surely, 2^{2221213222140} is an apocalyptic number.

2221213222140 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 2221213222140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3580899840000).

2221213222140 is an abundant number, since it is smaller than the sum of its proper divisors (4940586457860).

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

2221213222140 is a wasteful number, since it uses less digits than its factorization.

2221213222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493800 (or 493798 counting only the distinct ones).

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

Adding to 2221213222140 its reverse (412223121222), we get a palindrome (2633436343362).

The spelling of 2221213222140 in words is "two trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred twenty-two thousand, one hundred forty".