100121000000227 has 2 divisors, whose sum is σ = 100121000000228. Its totient is φ = 100121000000226.

The previous prime is 100121000000137. The next prime is 100121000000269. The reversal of 100121000000227 is 722000000121001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100121000000227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100121000000227.

It is not a weakly prime, because it can be changed into another prime (100121000000927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060500000113 + 50060500000114.

It is an arithmetic number, because the mean of its divisors is an integer number (50060500000114).

Almost surely, 2^{100121000000227} is an apocalyptic number.

100121000000227 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121000000227 is an equidigital number, since it uses as much as digits as its factorization.

100121000000227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 100121000000227 its reverse (722000000121001), we get a palindrome (822121000121228).

The spelling of 100121000000227 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty-seven", and thus it is an aban number.