221210210490 has 16 divisors (see below), whose sum is σ = 530904505248. Its totient is φ = 58989389456.

The previous prime is 221210210489. The next prime is 221210210503. The reversal of 221210210490 is 94012012122.

221210210490 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 221210210490.

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 7 ways as a sum of consecutive naturals, for example, 3686836812 + ... + 3686836871.

It is an arithmetic number, because the mean of its divisors is an integer number (33181531578).

Almost surely, 2^221210210490 is an apocalyptic number.

221210210490 is an abundant number, since it is smaller than the sum of its proper divisors (309694294758).

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

221210210490 is a wasteful number, since it uses less digits than its factorization.

221210210490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373673693.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 221210210490 in words is "two hundred twenty-one billion, two hundred ten million, two hundred ten thousand, four hundred ninety".