100001112220931 has 2 divisors, whose sum is σ = 100001112220932. Its totient is φ = 100001112220930.

The previous prime is 100001112220909. The next prime is 100001112221009. The reversal of 100001112220931 is 139022211100001.

It is a weak prime.

It is an emirp because it is prime and its reverse (139022211100001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001112220931 is a prime.

It is a super-2 number, since 2×100001112220931² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100001112220897 and 100001112220906.

It is not a weakly prime, because it can be changed into another prime (100001112220831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000556110465 + 50000556110466.

It is an arithmetic number, because the mean of its divisors is an integer number (50000556110466).

Almost surely, 2^{100001112220931} is an apocalyptic number.

100001112220931 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001112220931 is an equidigital number, since it uses as much as digits as its factorization.

100001112220931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 100001112220931 its reverse (139022211100001), we get a palindrome (239023323320932).

The spelling of 100001112220931 in words is "one hundred trillion, one billion, one hundred twelve million, two hundred twenty thousand, nine hundred thirty-one".