221010201330 has 64 divisors (see below), whose sum is σ = 542027566080. Its totient is φ = 57660613056.

The previous prime is 221010201317. The next prime is 221010201337. The reversal of 221010201330 is 33102010122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (221010201337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174400 + ... + 687339.

It is an arithmetic number, because the mean of its divisors is an integer number (8469180720).

Almost surely, 2^221010201330 is an apocalyptic number.

221010201330 is an abundant number, since it is smaller than the sum of its proper divisors (321017364750).

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

221010201330 is a wasteful number, since it uses less digits than its factorization.

221010201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861935.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 221010201330 its reverse (33102010122), we get a palindrome (254112211452).

The spelling of 221010201330 in words is "two hundred twenty-one billion, ten million, two hundred one thousand, three hundred thirty".