221012324201130 has 256 divisors, whose sum is σ = 679215907270656. Its totient is φ = 44681607659520.

The previous prime is 221012324201087. The next prime is 221012324201147. The reversal of 221012324201130 is 31102423210122.

It is a self number, because there is not a number n which added to its sum of digits gives 221012324201130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3298510209 + ... + 3298577211.

It is an arithmetic number, because the mean of its divisors is an integer number (2653187137776).

Almost surely, 2^{221012324201130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221012324201130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339607953635328).

221012324201130 is an abundant number, since it is smaller than the sum of its proper divisors (458203583069526).

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

221012324201130 is a wasteful number, since it uses less digits than its factorization.

221012324201130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105661.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 221012324201130 its reverse (31102423210122), we get a palindrome (252114747411252).

The spelling of 221012324201130 in words is "two hundred twenty-one trillion, twelve billion, three hundred twenty-four million, two hundred one thousand, one hundred thirty".