33313223103221 has 8 divisors (see below), whose sum is σ = 35274710945304. Its totient is φ = 31351944870400.

The previous prime is 33313223103169. The next prime is 33313223103313. The reversal of 33313223103221 is 12230132231333.

It can be written as a sum of positive squares in 4 ways, for example, as 10201061088100 + 23112162015121 = 3193910^2 + 4807511^2 .

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

It is not a de Polignac number, because 33313223103221 - 2²² = 33313218908917 is a prime.

It is a super-2 number, since 2×33313223103221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33313223163221) 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, 52075040 + ... + 52710873.

It is an arithmetic number, because the mean of its divisors is an integer number (4409338868163).

Almost surely, 2^{33313223103221} is an apocalyptic number.

It is an amenable number.

33313223103221 is a deficient number, since it is larger than the sum of its proper divisors (1961487842083).

33313223103221 is a wasteful number, since it uses less digits than its factorization.

33313223103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104804631.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 33313223103221 its reverse (12230132231333), we get a palindrome (45543355334554).

The spelling of 33313223103221 in words is "thirty-three trillion, three hundred thirteen billion, two hundred twenty-three million, one hundred three thousand, two hundred twenty-one".