33020112232213 has 4 divisors (see below), whose sum is σ = 33029191177900. Its totient is φ = 33011033286528.

The previous prime is 33020112232193. The next prime is 33020112232249. The reversal of 33020112232213 is 31223221102033.

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 709607433924 + 32310504798289 = 842382^2 + 5684233^2 .

It is a cyclic number.

It is not a de Polignac number, because 33020112232213 - 2²⁹ = 33019575361301 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 (33020112235213) 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, 4539467388 + ... + 4539474661.

It is an arithmetic number, because the mean of its divisors is an integer number (8257297794475).

Almost surely, 2^{33020112232213} is an apocalyptic number.

It is an amenable number.

33020112232213 is a deficient number, since it is larger than the sum of its proper divisors (9078945687).

33020112232213 is an equidigital number, since it uses as much as digits as its factorization.

33020112232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078945686.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 33020112232213 its reverse (31223221102033), we get a palindrome (64243333334246).

The spelling of 33020112232213 in words is "thirty-three trillion, twenty billion, one hundred twelve million, two hundred thirty-two thousand, two hundred thirteen".