133522210061 has 8 divisors (see below), whose sum is σ = 133787504760. Its totient is φ = 133257180672.

The previous prime is 133522210057. The next prime is 133522210177. The reversal of 133522210061 is 160012225331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12770130025 + 120752080036 = 113005^2 + 347494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133522210061 - 2² = 133522210057 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 133522210061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133522213061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956801 + ... + 1087433.

It is an arithmetic number, because the mean of its divisors is an integer number (16723438095).

Almost surely, 2^133522210061 is an apocalyptic number.

It is an amenable number.

133522210061 is a deficient number, since it is larger than the sum of its proper divisors (265294699).

133522210061 is a wasteful number, since it uses less digits than its factorization.

133522210061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132655.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 133522210061 its reverse (160012225331), we get a palindrome (293534435392).

The spelling of 133522210061 in words is "one hundred thirty-three billion, five hundred twenty-two million, two hundred ten thousand, sixty-one".