133201332121001 has 4 divisors (see below), whose sum is σ = 136450145099604. Its totient is φ = 129952519142400.

The previous prime is 133201332120893. The next prime is 133201332121003. The reversal of 133201332121001 is 100121233102331.

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 33420192240400 + 99781139880601 = 5781020^2 + 9989051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133201332121001 is a prime.

It is a super-2 number, since 2×133201332121001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133201332121003) 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, 1624406489240 + ... + 1624406489321.

It is an arithmetic number, because the mean of its divisors is an integer number (34112536274901).

Almost surely, 2^{133201332121001} is an apocalyptic number.

It is an amenable number.

133201332121001 is a deficient number, since it is larger than the sum of its proper divisors (3248812978603).

133201332121001 is an equidigital number, since it uses as much as digits as its factorization.

133201332121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248812978602.

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

Adding to 133201332121001 its reverse (100121233102331), we get a palindrome (233322565223332).

The spelling of 133201332121001 in words is "one hundred thirty-three trillion, two hundred one billion, three hundred thirty-two million, one hundred twenty-one thousand, one".