100302113221 has 2 divisors, whose sum is σ = 100302113222. Its totient is φ = 100302113220.

The previous prime is 100302113161. The next prime is 100302113257. The reversal of 100302113221 is 122311203001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85080722596 + 15221390625 = 291686^2 + 123375^2 .

It is a cyclic number.

It is not a de Polignac number, because 100302113221 - 2¹⁵ = 100302080453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100302113195 and 100302113204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100302113621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50151056610 + 50151056611.

It is an arithmetic number, because the mean of its divisors is an integer number (50151056611).

Almost surely, 2^100302113221 is an apocalyptic number.

It is an amenable number.

100302113221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100302113221 is an equidigital number, since it uses as much as digits as its factorization.

100302113221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100302113221 its reverse (122311203001), we get a palindrome (222613316222).

The spelling of 100302113221 in words is "one hundred billion, three hundred two million, one hundred thirteen thousand, two hundred twenty-one".