133220230001 has 8 divisors (see below), whose sum is σ = 134689296840. Its totient is φ = 131753115648.

The previous prime is 133220229997. The next prime is 133220230027. The reversal of 133220230001 is 100032022331.

It can be written as a sum of positive squares in 4 ways, for example, as 11156640625 + 122063589376 = 105625^2 + 349376^2 .

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 133220230001 - 2² = 133220229997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133220230301) 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, 350696 + ... + 624041.

It is an arithmetic number, because the mean of its divisors is an integer number (16836162105).

Almost surely, 2^133220230001 is an apocalyptic number.

It is an amenable number.

133220230001 is a deficient number, since it is larger than the sum of its proper divisors (1469066839).

133220230001 is an equidigital number, since it uses as much as digits as its factorization.

133220230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976243.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 133220230001 its reverse (100032022331), we get a palindrome (233252252332).

The spelling of 133220230001 in words is "one hundred thirty-three billion, two hundred twenty million, two hundred thirty thousand, one".