104420145221 has 16 divisors (see below), whose sum is σ = 120085659648. Its totient is φ = 88942686000.

The previous prime is 104420145191. The next prime is 104420145229. The reversal of 104420145221 is 122541024401.

It is not a de Polignac number, because 104420145221 - 2²² = 104415950917 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 (104420145229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274546 + ... + 1353996.

It is an arithmetic number, because the mean of its divisors is an integer number (7505353728).

Almost surely, 2^104420145221 is an apocalyptic number.

It is an amenable number.

104420145221 is a deficient number, since it is larger than the sum of its proper divisors (15665514427).

104420145221 is an equidigital number, since it uses as much as digits as its factorization.

104420145221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80632.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 104420145221 its reverse (122541024401), we get a palindrome (226961169622).

The spelling of 104420145221 in words is "one hundred four billion, four hundred twenty million, one hundred forty-five thousand, two hundred twenty-one".