221400201231330 has 256 divisors, whose sum is σ = 650250967449600. Its totient is φ = 47602281450240.

The previous prime is 221400201231301. The next prime is 221400201231347. The reversal of 221400201231330 is 33132102004122.

221400201231330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221400201231330.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9554710 + ... + 23110449.

It is an arithmetic number, because the mean of its divisors is an integer number (2540042841600).

Almost surely, 2^{221400201231330} is an apocalyptic number.

221400201231330 is an abundant number, since it is smaller than the sum of its proper divisors (428850766218270).

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

221400201231330 is a wasteful number, since it uses less digits than its factorization.

221400201231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32665269.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 221400201231330 its reverse (33132102004122), we get a palindrome (254532303235452).

The spelling of 221400201231330 in words is "two hundred twenty-one trillion, four hundred billion, two hundred one million, two hundred thirty-one thousand, three hundred thirty".