33110221013 has 4 divisors (see below), whose sum is σ = 33115328448. Its totient is φ = 33105113580.

The previous prime is 33110220991. The next prime is 33110221091. The reversal of 33110221013 is 31012201133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33110221013 - 2⁸ = 33110220757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33110220982 and 33110221000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33110221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543981 + ... + 2556962.

It is an arithmetic number, because the mean of its divisors is an integer number (8278832112).

Almost surely, 2^33110221013 is an apocalyptic number.

It is an amenable number.

33110221013 is a deficient number, since it is larger than the sum of its proper divisors (5107435).

33110221013 is an equidigital number, since it uses as much as digits as its factorization.

33110221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107434.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 33110221013 its reverse (31012201133), we get a palindrome (64122422146).

The spelling of 33110221013 in words is "thirty-three billion, one hundred ten million, two hundred twenty-one thousand, thirteen".