100121012239 has 2 divisors, whose sum is σ = 100121012240. Its totient is φ = 100121012238.

The previous prime is 100121012207. The next prime is 100121012261. The reversal of 100121012239 is 932210121001.

It is an a-pointer prime, because the next prime (100121012261) can be obtained adding 100121012239 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100121012239 - 2⁵ = 100121012207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100121072239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060506119 + 50060506120.

It is an arithmetic number, because the mean of its divisors is an integer number (50060506120).

Almost surely, 2^100121012239 is an apocalyptic number.

100121012239 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121012239 is an equidigital number, since it uses as much as digits as its factorization.

100121012239 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 22.

The spelling of 100121012239 in words is "one hundred billion, one hundred twenty-one million, twelve thousand, two hundred thirty-nine".