133211033221 has 16 divisors (see below), whose sum is σ = 154477358208. Its totient is φ = 112514472000.

The previous prime is 133211033203. The next prime is 133211033243. The reversal of 133211033221 is 122330112331.

It is not a de Polignac number, because 133211033221 - 2¹⁹ = 133210508933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133211033192 and 133211033201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133211033251) 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, 297310 + ... + 595663.

It is an arithmetic number, because the mean of its divisors is an integer number (9654834888).

Almost surely, 2^133211033221 is an apocalyptic number.

It is an amenable number.

133211033221 is a deficient number, since it is larger than the sum of its proper divisors (21266324987).

133211033221 is a wasteful number, since it uses less digits than its factorization.

133211033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893292.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133211033221 its reverse (122330112331), we get a palindrome (255541145552).

The spelling of 133211033221 in words is "one hundred thirty-three billion, two hundred eleven million, thirty-three thousand, two hundred twenty-one".