101231004310421 has 2 divisors, whose sum is σ = 101231004310422. Its totient is φ = 101231004310420.

The previous prime is 101231004310411. The next prime is 101231004310487. The reversal of 101231004310421 is 124013400132101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93850078140625 + 7380926169796 = 9687625^2 + 2716786^2 .

It is a cyclic number.

It is not a de Polignac number, because 101231004310421 - 2²² = 101231000116117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101231004310411) 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, 50615502155210 + 50615502155211.

It is an arithmetic number, because the mean of its divisors is an integer number (50615502155211).

Almost surely, 2^{101231004310421} is an apocalyptic number.

It is an amenable number.

101231004310421 is a deficient number, since it is larger than the sum of its proper divisors (1).

101231004310421 is an equidigital number, since it uses as much as digits as its factorization.

101231004310421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 101231004310421 its reverse (124013400132101), we get a palindrome (225244404442522).

The spelling of 101231004310421 in words is "one hundred one trillion, two hundred thirty-one billion, four million, three hundred ten thousand, four hundred twenty-one".