104022213221 has 4 divisors (see below), whose sum is σ = 104023902252. Its totient is φ = 104020524192.

The previous prime is 104022213173. The next prime is 104022213227. The reversal of 104022213221 is 122312220401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76168272196 + 27853941025 = 275986^2 + 166895^2 .

It is a cyclic number.

It is not a de Polignac number, because 104022213221 - 2⁶ = 104022213157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104022213193 and 104022213202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104022213227) 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, 748496 + ... + 876521.

It is an arithmetic number, because the mean of its divisors is an integer number (26005975563).

Almost surely, 2^104022213221 is an apocalyptic number.

It is an amenable number.

104022213221 is a deficient number, since it is larger than the sum of its proper divisors (1689031).

104022213221 is an equidigital number, since it uses as much as digits as its factorization.

104022213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689030.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 104022213221 its reverse (122312220401), we get a palindrome (226334433622).

The spelling of 104022213221 in words is "one hundred four billion, twenty-two million, two hundred thirteen thousand, two hundred twenty-one".