133213302121001 has 4 divisors (see below), whose sum is σ = 141049378716372. Its totient is φ = 125377225525632.

The previous prime is 133213302120991. The next prime is 133213302121007. The reversal of 133213302121001 is 100121203312331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77243093328025 + 55970208792976 = 8788805^2 + 7481324^2 .

It is a cyclic number.

It is not a de Polignac number, because 133213302121001 - 2³⁰ = 133212228379177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133213302121007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3918038297660 + ... + 3918038297693.

It is an arithmetic number, because the mean of its divisors is an integer number (35262344679093).

Almost surely, 2^{133213302121001} is an apocalyptic number.

It is an amenable number.

133213302121001 is a deficient number, since it is larger than the sum of its proper divisors (7836076595371).

133213302121001 is an equidigital number, since it uses as much as digits as its factorization.

133213302121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836076595370.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 133213302121001 its reverse (100121203312331), we get a palindrome (233334505433332).

The spelling of 133213302121001 in words is "one hundred thirty-three trillion, two hundred thirteen billion, three hundred two million, one hundred twenty-one thousand, one".