104111141021 has 4 divisors (see below), whose sum is σ = 104113358844. Its totient is φ = 104108923200.

The previous prime is 104111141011. The next prime is 104111141033. The reversal of 104111141021 is 120141111401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120141111401 = 110359 ⋅1088639.

It can be written as a sum of positive squares in 2 ways, for example, as 26810460121 + 77300680900 = 163739^2 + 278030^2 .

It is a cyclic number.

It is not a de Polignac number, because 104111141021 - 2¹⁰ = 104111139997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104111141011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036940 + ... + 1132901.

It is an arithmetic number, because the mean of its divisors is an integer number (26028339711).

Almost surely, 2^104111141021 is an apocalyptic number.

It is an amenable number.

104111141021 is a deficient number, since it is larger than the sum of its proper divisors (2217823).

104111141021 is an equidigital number, since it uses as much as digits as its factorization.

104111141021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217822.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 104111141021 its reverse (120141111401), we get a palindrome (224252252422).

The spelling of 104111141021 in words is "one hundred four billion, one hundred eleven million, one hundred forty-one thousand, twenty-one".