100221154144 has 12 divisors (see below), whose sum is σ = 197310397284. Its totient is φ = 50110577056.

The previous prime is 100221154141. The next prime is 100221154157. The reversal of 100221154144 is 441451122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221154141) by changing a digit.

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 as a sum of consecutive naturals, namely, 1565955502 + ... + 1565955565.

It is an arithmetic number, because the mean of its divisors is an integer number (16442533107).

Almost surely, 2^100221154144 is an apocalyptic number.

It is an amenable number.

100221154144 is a deficient number, since it is larger than the sum of its proper divisors (97089243140).

100221154144 is an equidigital number, since it uses as much as digits as its factorization.

100221154144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131911077 (or 3131911069 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 100221154144 its reverse (441451122001), we get a palindrome (541672276145).

The spelling of 100221154144 in words is "one hundred billion, two hundred twenty-one million, one hundred fifty-four thousand, one hundred forty-four".