104040020101 has 2 divisors, whose sum is σ = 104040020102. Its totient is φ = 104040020100.

The previous prime is 104040020083. The next prime is 104040020113. The reversal of 104040020101 is 101020040401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93544222500 + 10495797601 = 305850^2 + 102449^2 .

It is a cyclic number.

It is not a de Polignac number, because 104040020101 - 2⁵ = 104040020069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104040020131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52020010050 + 52020010051.

It is an arithmetic number, because the mean of its divisors is an integer number (52020010051).

Almost surely, 2^104040020101 is an apocalyptic number.

It is an amenable number.

104040020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

104040020101 is an equidigital number, since it uses as much as digits as its factorization.

104040020101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 104040020101 its reverse (101020040401), we get a palindrome (205060060502).

The spelling of 104040020101 in words is "one hundred four billion, forty million, twenty thousand, one hundred one".