240100104221 has 2 divisors, whose sum is σ = 240100104222. Its totient is φ = 240100104220.

The previous prime is 240100104161. The next prime is 240100104269. The reversal of 240100104221 is 122401001042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133947948121 + 106152156100 = 365989^2 + 325810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240100104221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240100104221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240100104271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120050052110 + 120050052111.

It is an arithmetic number, because the mean of its divisors is an integer number (120050052111).

Almost surely, 2^240100104221 is an apocalyptic number.

It is an amenable number.

240100104221 is a deficient number, since it is larger than the sum of its proper divisors (1).

240100104221 is an equidigital number, since it uses as much as digits as its factorization.

240100104221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 240100104221 its reverse (122401001042), we get a palindrome (362501105263).

The spelling of 240100104221 in words is "two hundred forty billion, one hundred million, one hundred four thousand, two hundred twenty-one".