100144320252061 has 2 divisors, whose sum is σ = 100144320252062. Its totient is φ = 100144320252060.

The previous prime is 100144320252047. The next prime is 100144320252131. The reversal of 100144320252061 is 160252023441001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98771893944025 + 1372426308036 = 9938405^2 + 1171506^2 .

It is an emirp because it is prime and its reverse (160252023441001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100144320252061 - 2¹⁹ = 100144319727773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100144320255061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50072160126030 + 50072160126031.

It is an arithmetic number, because the mean of its divisors is an integer number (50072160126031).

Almost surely, 2^{100144320252061} is an apocalyptic number.

It is an amenable number.

100144320252061 is a deficient number, since it is larger than the sum of its proper divisors (1).

100144320252061 is an equidigital number, since it uses as much as digits as its factorization.

100144320252061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 100144320252061 its reverse (160252023441001), we get a palindrome (260396343693062).

The spelling of 100144320252061 in words is "one hundred trillion, one hundred forty-four billion, three hundred twenty million, two hundred fifty-two thousand, sixty-one".