221044141020 has 24 divisors (see below), whose sum is σ = 618923595024. Its totient is φ = 58945104256.

The previous prime is 221044141013. The next prime is 221044141081. The reversal of 221044141020 is 20141440122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842034449 + ... + 1842034568.

It is an arithmetic number, because the mean of its divisors is an integer number (25788483126).

Almost surely, 2^221044141020 is an apocalyptic number.

221044141020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221044141020 is an abundant number, since it is smaller than the sum of its proper divisors (397879454004).

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

221044141020 is a wasteful number, since it uses less digits than its factorization.

221044141020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684069029 (or 3684069027 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 221044141020 its reverse (20141440122), we get a palindrome (241185581142).

The spelling of 221044141020 in words is "two hundred twenty-one billion, forty-four million, one hundred forty-one thousand, twenty".