133311221011 has 8 divisors (see below), whose sum is σ = 133405272000. Its totient is φ = 133217206080.

The previous prime is 133311220907. The next prime is 133311221051. The reversal of 133311221011 is 110122113331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133311221011 - 2¹⁷ = 133311089939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133311221011.

It is not an unprimeable number, because it can be changed into a prime (133311221051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13500406 + ... + 13510276.

It is an arithmetic number, because the mean of its divisors is an integer number (16675659000).

Almost surely, 2^133311221011 is an apocalyptic number.

133311221011 is a deficient number, since it is larger than the sum of its proper divisors (94050989).

133311221011 is an equidigital number, since it uses as much as digits as its factorization.

133311221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18029.

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

Adding to 133311221011 its reverse (110122113331), we get a palindrome (243433334342).

The spelling of 133311221011 in words is "one hundred thirty-three billion, three hundred eleven million, two hundred twenty-one thousand, eleven".