101004041400421 has 2 divisors, whose sum is σ = 101004041400422. Its totient is φ = 101004041400420.

The previous prime is 101004041400419. The next prime is 101004041400439. The reversal of 101004041400421 is 124004140400101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96197138624196 + 4806902776225 = 9808014^2 + 2192465^2 .

It is a cyclic number.

It is not a de Polignac number, because 101004041400421 - 2¹ = 101004041400419 is a prime.

Together with 101004041400419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 101004041400392 and 101004041400401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101004041400461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50502020700210 + 50502020700211.

It is an arithmetic number, because the mean of its divisors is an integer number (50502020700211).

Almost surely, 2^{101004041400421} is an apocalyptic number.

It is an amenable number.

101004041400421 is a deficient number, since it is larger than the sum of its proper divisors (1).

101004041400421 is an equidigital number, since it uses as much as digits as its factorization.

101004041400421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 101004041400421 its reverse (124004140400101), we get a palindrome (225008181800522).

The spelling of 101004041400421 in words is "one hundred one trillion, four billion, forty-one million, four hundred thousand, four hundred twenty-one".