133211120212221 has 16 divisors (see below), whose sum is σ = 178333366155840. Its totient is φ = 88448187168000.

The previous prime is 133211120212187. The next prime is 133211120212229. The reversal of 133211120212221 is 122212021112331.

It is not a de Polignac number, because 133211120212221 - 2³³ = 133202530277629 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133211120212191 and 133211120212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133211120212229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6922131 + ... + 17729583.

It is an arithmetic number, because the mean of its divisors is an integer number (11145835384740).

Almost surely, 2^{133211120212221} is an apocalyptic number.

It is an amenable number.

133211120212221 is a deficient number, since it is larger than the sum of its proper divisors (45122245943619).

133211120212221 is a wasteful number, since it uses less digits than its factorization.

133211120212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10824076.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 133211120212221 its reverse (122212021112331), we get a palindrome (255423141324552).

The spelling of 133211120212221 in words is "one hundred thirty-three trillion, two hundred eleven billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-one".