100000240311221 has 2 divisors, whose sum is σ = 100000240311222. Its totient is φ = 100000240311220.

The previous prime is 100000240311149. The next prime is 100000240311229. The reversal of 100000240311221 is 122113042000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62154538954225 + 37845701356996 = 7883815^2 + 6151886^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000240311221 - 2¹⁴ = 100000240294837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100000240311221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000240311229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000120155610 + 50000120155611.

It is an arithmetic number, because the mean of its divisors is an integer number (50000120155611).

Almost surely, 2^{100000240311221} is an apocalyptic number.

It is an amenable number.

100000240311221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000240311221 is an equidigital number, since it uses as much as digits as its factorization.

100000240311221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 100000240311221 its reverse (122113042000001), we get a palindrome (222113282311222).

The spelling of 100000240311221 in words is "one hundred trillion, two hundred forty million, three hundred eleven thousand, two hundred twenty-one".