100301104242221 has 4 divisors (see below), whose sum is σ = 100301198212572. Its totient is φ = 100301010271872.

The previous prime is 100301104242211. The next prime is 100301104242233. The reversal of 100301104242221 is 122242401103001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64934426076100 + 35366678166121 = 8058190^2 + 5946989^2 .

It is a cyclic number.

It is not a de Polignac number, because 100301104242221 - 2²⁶ = 100301037133357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100301104242211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45365510 + ... + 47525063.

It is an arithmetic number, because the mean of its divisors is an integer number (25075299553143).

Almost surely, 2^{100301104242221} is an apocalyptic number.

It is an amenable number.

100301104242221 is a deficient number, since it is larger than the sum of its proper divisors (93970351).

100301104242221 is an equidigital number, since it uses as much as digits as its factorization.

100301104242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93970350.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 100301104242221 its reverse (122242401103001), we get a palindrome (222543505345222).

The spelling of 100301104242221 in words is "one hundred trillion, three hundred one billion, one hundred four million, two hundred forty-two thousand, two hundred twenty-one".