100221144308 has 6 divisors (see below), whose sum is σ = 175387002546. Its totient is φ = 50110572152.

The previous prime is 100221144301. The next prime is 100221144343. The reversal of 100221144308 is 803441122001.

It can be written as a sum of positive squares in only one way, i.e., 94871392144 + 5349752164 = 308012^2 + 73142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221144301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527643035 + ... + 12527643042.

It is an arithmetic number, because the mean of its divisors is an integer number (29231167091).

Almost surely, 2^100221144308 is an apocalyptic number.

It is an amenable number.

100221144308 is a deficient number, since it is larger than the sum of its proper divisors (75165858238).

100221144308 is a wasteful number, since it uses less digits than its factorization.

100221144308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055286081 (or 25055286079 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 100221144308 its reverse (803441122001), we get a palindrome (903662266309).

The spelling of 100221144308 in words is "one hundred billion, two hundred twenty-one million, one hundred forty-four thousand, three hundred eight".