133100221211 has 4 divisors (see below), whose sum is σ = 133104047592. Its totient is φ = 133096394832.

The previous prime is 133100221193. The next prime is 133100221217. The reversal of 133100221211 is 112122001331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112122001331 = 17 ⋅6595411843.

It is a cyclic number.

It is not a de Polignac number, because 133100221211 - 2²² = 133096026907 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 133100221211.

It is not an unprimeable number, because it can be changed into a prime (133100221217) 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, 1860530 + ... + 1930743.

It is an arithmetic number, because the mean of its divisors is an integer number (33276011898).

Almost surely, 2^133100221211 is an apocalyptic number.

133100221211 is a deficient number, since it is larger than the sum of its proper divisors (3826381).

133100221211 is an equidigital number, since it uses as much as digits as its factorization.

133100221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826380.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 133100221211 its reverse (112122001331), we get a palindrome (245222222542).

The spelling of 133100221211 in words is "one hundred thirty-three billion, one hundred million, two hundred twenty-one thousand, two hundred eleven".