33113211011 has 4 divisors (see below), whose sum is σ = 33203438112. Its totient is φ = 33022983912.

The previous prime is 33113210989. The next prime is 33113211037. The reversal of 33113211011 is 11011231133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33113211011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33113211311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45113000 + ... + 45113733.

It is an arithmetic number, because the mean of its divisors is an integer number (8300859528).

Almost surely, 2^33113211011 is an apocalyptic number.

33113211011 is a deficient number, since it is larger than the sum of its proper divisors (90227101).

33113211011 is an equidigital number, since it uses as much as digits as its factorization.

33113211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90227100.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 33113211011 its reverse (11011231133), we get a palindrome (44124442144).

The spelling of 33113211011 in words is "thirty-three billion, one hundred thirteen million, two hundred eleven thousand, eleven".