33300013002221 has 16 divisors (see below), whose sum is σ = 38066145387648. Its totient is φ = 28536128409600.

The previous prime is 33300013002211. The next prime is 33300013002251. The reversal of 33300013002221 is 12220031000333.

It is not a de Polignac number, because 33300013002221 - 2³⁰ = 33298939260397 is a prime.

It is a super-2 number, since 2×33300013002221² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33300013002193 and 33300013002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33300013002211) 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, 620859821 + ... + 620913453.

It is an arithmetic number, because the mean of its divisors is an integer number (2379134086728).

Almost surely, 2^{33300013002221} is an apocalyptic number.

It is an amenable number.

33300013002221 is a deficient number, since it is larger than the sum of its proper divisors (4766132385427).

33300013002221 is a wasteful number, since it uses less digits than its factorization.

33300013002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72932.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33300013002221 its reverse (12220031000333), we get a palindrome (45520044002554).

The spelling of 33300013002221 in words is "thirty-three trillion, three hundred billion, thirteen million, two thousand, two hundred twenty-one".