83321221033 has 8 divisors (see below), whose sum is σ = 83398432040. Its totient is φ = 83244049920.

The previous prime is 83321221021. The next prime is 83321221057. The reversal of 83321221033 is 33012212338.

It can be written as a sum of positive squares in 4 ways, for example, as 64774322064 + 18546898969 = 254508^2 + 136187^2 .

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 83321221033 - 2¹³ = 83321212841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83321220992 and 83321221010.

It is not an unprimeable number, because it can be changed into a prime (83321221073) 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, 5459293 + ... + 5474533.

It is an arithmetic number, because the mean of its divisors is an integer number (10424804005).

Almost surely, 2^83321221033 is an apocalyptic number.

It is an amenable number.

83321221033 is a deficient number, since it is larger than the sum of its proper divisors (77211007).

83321221033 is a wasteful number, since it uses less digits than its factorization.

83321221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19947.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 83321221033 in words is "eighty-three billion, three hundred twenty-one million, two hundred twenty-one thousand, thirty-three".