100331222093 has 2 divisors, whose sum is σ = 100331222094. Its totient is φ = 100331222092.

The previous prime is 100331222071. The next prime is 100331222207. The reversal of 100331222093 is 390222133001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79660546564 + 20670675529 = 282242^2 + 143773^2 .

It is a cyclic number.

It is not a de Polignac number, because 100331222093 - 2³⁰ = 99257480269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100331122093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50165611046 + 50165611047.

It is an arithmetic number, because the mean of its divisors is an integer number (50165611047).

Almost surely, 2^100331222093 is an apocalyptic number.

It is an amenable number.

100331222093 is a deficient number, since it is larger than the sum of its proper divisors (1).

100331222093 is an equidigital number, since it uses as much as digits as its factorization.

100331222093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 100331222093 its reverse (390222133001), we get a palindrome (490553355094).

The spelling of 100331222093 in words is "one hundred billion, three hundred thirty-one million, two hundred twenty-two thousand, ninety-three".