100122220024991 has 2 divisors, whose sum is σ = 100122220024992. Its totient is φ = 100122220024990.

The previous prime is 100122220024823. The next prime is 100122220024999. The reversal of 100122220024991 is 199420022221001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100122220024991 - 2¹⁴ = 100122220008607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100122220024999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061110012495 + 50061110012496.

It is an arithmetic number, because the mean of its divisors is an integer number (50061110012496).

Almost surely, 2^{100122220024991} is an apocalyptic number.

100122220024991 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122220024991 is an equidigital number, since it uses as much as digits as its factorization.

100122220024991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

Adding to 100122220024991 its reverse (199420022221001), we get a palindrome (299542242245992).

The spelling of 100122220024991 in words is "one hundred trillion, one hundred twenty-two billion, two hundred twenty million, twenty-four thousand, nine hundred ninety-one".