100221424033 has 2 divisors, whose sum is σ = 100221424034. Its totient is φ = 100221424032.

The previous prime is 100221424007. The next prime is 100221424049. The reversal of 100221424033 is 330424122001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65954971489 + 34266452544 = 256817^2 + 185112^2 .

It is a cyclic number.

It is not a de Polignac number, because 100221424033 - 2²⁹ = 99684553121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100221423995 and 100221424013.

It is not a weakly prime, because it can be changed into another prime (100221424073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110712016 + 50110712017.

It is an arithmetic number, because the mean of its divisors is an integer number (50110712017).

Almost surely, 2^100221424033 is an apocalyptic number.

It is an amenable number.

100221424033 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221424033 is an equidigital number, since it uses as much as digits as its factorization.

100221424033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 100221424033 its reverse (330424122001), we get a palindrome (430645546034).

The spelling of 100221424033 in words is "one hundred billion, two hundred twenty-one million, four hundred twenty-four thousand, thirty-three".