133342355221 has 16 divisors (see below), whose sum is σ = 140860843200. Its totient is φ = 126036691200.

The previous prime is 133342355213. The next prime is 133342355227. The reversal of 133342355221 is 122553243331.

It is not a de Polignac number, because 133342355221 - 2³ = 133342355213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133342355227) 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, 250666 + ... + 574036.

It is an arithmetic number, because the mean of its divisors is an integer number (8803802700).

Almost surely, 2^133342355221 is an apocalyptic number.

It is an amenable number.

133342355221 is a deficient number, since it is larger than the sum of its proper divisors (7518487979).

133342355221 is a wasteful number, since it uses less digits than its factorization.

133342355221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323700.

The product of its digits is 64800, while the sum is 34.

Adding to 133342355221 its reverse (122553243331), we get a palindrome (255895598552).

The spelling of 133342355221 in words is "one hundred thirty-three billion, three hundred forty-two million, three hundred fifty-five thousand, two hundred twenty-one".