100432312042121 has 2 divisors, whose sum is σ = 100432312042122. Its totient is φ = 100432312042120.

The previous prime is 100432312042063. The next prime is 100432312042171. The reversal of 100432312042121 is 121240213234001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98783820390025 + 1648491652096 = 9939005^2 + 1283936^2 .

It is a cyclic number.

It is not a de Polignac number, because 100432312042121 - 2⁴⁶ = 30063567864457 is a prime.

It is not a weakly prime, because it can be changed into another prime (100432312042171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50216156021060 + 50216156021061.

It is an arithmetic number, because the mean of its divisors is an integer number (50216156021061).

Almost surely, 2^{100432312042121} is an apocalyptic number.

It is an amenable number.

100432312042121 is a deficient number, since it is larger than the sum of its proper divisors (1).

100432312042121 is an equidigital number, since it uses as much as digits as its factorization.

100432312042121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 100432312042121 its reverse (121240213234001), we get a palindrome (221672525276122).

The spelling of 100432312042121 in words is "one hundred trillion, four hundred thirty-two billion, three hundred twelve million, forty-two thousand, one hundred twenty-one".