133122125077221 has 16 divisors (see below), whose sum is σ = 202852938259584. Its totient is φ = 76069719669504.

The previous prime is 133122125077189. The next prime is 133122125077261. The reversal of 133122125077221 is 122770521221331.

It is not a de Polignac number, because 133122125077221 - 2⁵ = 133122125077189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133122125077221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133122125077261) 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, 32473465 + ... + 36342401.

It is an arithmetic number, because the mean of its divisors is an integer number (12678308641224).

Almost surely, 2^{133122125077221} is an apocalyptic number.

It is an amenable number.

133122125077221 is a deficient number, since it is larger than the sum of its proper divisors (69730813182363).

133122125077221 is a wasteful number, since it uses less digits than its factorization.

133122125077221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507420.

The product of its (nonzero) digits is 70560, while the sum is 39.

Adding to 133122125077221 its reverse (122770521221331), we get a palindrome (255892646298552).

The spelling of 133122125077221 in words is "one hundred thirty-three trillion, one hundred twenty-two billion, one hundred twenty-five million, seventy-seven thousand, two hundred twenty-one".