100232231320121 has 2 divisors, whose sum is σ = 100232231320122. Its totient is φ = 100232231320120.

The previous prime is 100232231320099. The next prime is 100232231320141. The reversal of 100232231320121 is 121023132232001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87495819366400 + 12736411953721 = 9353920^2 + 3568811^2 .

It is a cyclic number.

It is not a de Polignac number, because 100232231320121 - 2⁴² = 95834184809017 is a prime.

It is not a weakly prime, because it can be changed into another prime (100232231320141) 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, 50116115660060 + 50116115660061.

It is an arithmetic number, because the mean of its divisors is an integer number (50116115660061).

Almost surely, 2^{100232231320121} is an apocalyptic number.

It is an amenable number.

100232231320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

100232231320121 is an equidigital number, since it uses as much as digits as its factorization.

100232231320121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 100232231320121 its reverse (121023132232001), we get a palindrome (221255363552122).

The spelling of 100232231320121 in words is "one hundred trillion, two hundred thirty-two billion, two hundred thirty-one million, three hundred twenty thousand, one hundred twenty-one".