133213112011 has 6 divisors (see below), whose sum is σ = 154962191580. Its totient is φ = 114182667396.

The previous prime is 133213111973. The next prime is 133213112027. The reversal of 133213112011 is 110211312331.

It is not a de Polignac number, because 133213112011 - 2¹⁹ = 133212587723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133213112011.

It is not an unprimeable number, because it can be changed into a prime (133213112111) 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 5 ways as a sum of consecutive naturals, for example, 1359317421 + ... + 1359317518.

It is an arithmetic number, because the mean of its divisors is an integer number (25827031930).

Almost surely, 2^133213112011 is an apocalyptic number.

133213112011 is a deficient number, since it is larger than the sum of its proper divisors (21749079569).

133213112011 is an equidigital number, since it uses as much as digits as its factorization.

133213112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718634953 (or 2718634946 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 133213112011 its reverse (110211312331), we get a palindrome (243424424342).

The spelling of 133213112011 in words is "one hundred thirty-three billion, two hundred thirteen million, one hundred twelve thousand, eleven".