7183012220221 has 8 divisors (see below), whose sum is σ = 7371960765624. Its totient is φ = 6996042193920.

The previous prime is 7183012220191. The next prime is 7183012220239. The reversal of 7183012220221 is 1220222103817.

It can be written as a sum of positive squares in 4 ways, for example, as 3977587483321 + 3205424736900 = 1994389^2 + 1790370^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7183012220221 - 2⁷ = 7183012220093 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 (7183012220261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494622420 + ... + 494636941.

It is an arithmetic number, because the mean of its divisors is an integer number (921495095703).

Almost surely, 2^{7183012220221} is an apocalyptic number.

It is an amenable number.

7183012220221 is a deficient number, since it is larger than the sum of its proper divisors (188948545403).

7183012220221 is a wasteful number, since it uses less digits than its factorization.

7183012220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989259551.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 7183012220221 in words is "seven trillion, one hundred eighty-three billion, twelve million, two hundred twenty thousand, two hundred twenty-one".