2211221120130 has 288 divisors, whose sum is σ = 6501224358720. Its totient is φ = 516986795520.

The previous prime is 2211221120041. The next prime is 2211221120137. The reversal of 2211221120130 is 310211221122.

2211221120130 is a `hidden beast` number, since 2 + 211 + 221 + 1 + 201 + 30 = 666.

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 (2211221120137) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 164066952 + ... + 164080428.

It is an arithmetic number, because the mean of its divisors is an integer number (22573695690).

Almost surely, 2^{2211221120130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211221120130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250612179360).

2211221120130 is an abundant number, since it is smaller than the sum of its proper divisors (4290003238590).

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

2211221120130 is a wasteful number, since it uses less digits than its factorization.

2211221120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13666 (or 13610 counting only the distinct ones).

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

Adding to 2211221120130 its reverse (310211221122), we get a palindrome (2521432341252).

The spelling of 2211221120130 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, one hundred twenty thousand, one hundred thirty".