100121323147 has 2 divisors, whose sum is σ = 100121323148. Its totient is φ = 100121323146.

The previous prime is 100121323073. The next prime is 100121323223. The reversal of 100121323147 is 741323121001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100121323147 is a prime.

It is not a weakly prime, because it can be changed into another prime (100121326147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060661573 + 50060661574.

It is an arithmetic number, because the mean of its divisors is an integer number (50060661574).

Almost surely, 2^100121323147 is an apocalyptic number.

100121323147 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121323147 is an equidigital number, since it uses as much as digits as its factorization.

100121323147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 100121323147 its reverse (741323121001), we get a palindrome (841444444148).

The spelling of 100121323147 in words is "one hundred billion, one hundred twenty-one million, three hundred twenty-three thousand, one hundred forty-seven".