100222112021177 has 2 divisors, whose sum is σ = 100222112021178. Its totient is φ = 100222112021176.

The previous prime is 100222112021167. The next prime is 100222112021219. The reversal of 100222112021177 is 771120211222001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73065756718201 + 27156355302976 = 8547851^2 + 5211176^2 .

It is a cyclic number.

It is not a de Polignac number, because 100222112021177 - 2²⁰ = 100222110972601 is a prime.

It is not a weakly prime, because it can be changed into another prime (100222112021167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111056010588 + 50111056010589.

It is an arithmetic number, because the mean of its divisors is an integer number (50111056010589).

Almost surely, 2^{100222112021177} is an apocalyptic number.

It is an amenable number.

100222112021177 is a deficient number, since it is larger than the sum of its proper divisors (1).

100222112021177 is an equidigital number, since it uses as much as digits as its factorization.

100222112021177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 29.

Adding to 100222112021177 its reverse (771120211222001), we get a palindrome (871342323243178).

The spelling of 100222112021177 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twelve million, twenty-one thousand, one hundred seventy-seven".