133210131222121 has 16 divisors (see below), whose sum is σ = 136527279998976. Its totient is φ = 129933244392336.

The previous prime is 133210131222097. The next prime is 133210131222151. The reversal of 133210131222121 is 121222131012331.

It is a cyclic number.

It is not a de Polignac number, because 133210131222121 - 2³⁹ = 132660375408233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133210131222151) 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, 10510000 + ... + 19413406.

It is an arithmetic number, because the mean of its divisors is an integer number (8532954999936).

Almost surely, 2^{133210131222121} is an apocalyptic number.

It is an amenable number.

133210131222121 is a deficient number, since it is larger than the sum of its proper divisors (3317148776855).

133210131222121 is a wasteful number, since it uses less digits than its factorization.

133210131222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905668.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 133210131222121 its reverse (121222131012331), we get a palindrome (254432262234452).

The spelling of 133210131222121 in words is "one hundred thirty-three trillion, two hundred ten billion, one hundred thirty-one million, two hundred twenty-two thousand, one hundred twenty-one".