133211201 has 8 divisors (see below), whose sum is σ = 141162120. Its totient is φ = 125273088.

The previous prime is 133211179. The next prime is 133211219. The reversal of 133211201 is 102112331.

It can be written as a sum of positive squares in 4 ways, for example, as 2131600 + 131079601 = 1460^2 + 11449^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133211801) 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, 25805 + ... + 30533.

It is an arithmetic number, because the mean of its divisors is an integer number (17645265).

Almost surely, 2^133211201 is an apocalyptic number.

It is an amenable number.

133211201 is a deficient number, since it is larger than the sum of its proper divisors (7950919).

133211201 is a wasteful number, since it uses less digits than its factorization.

133211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 133211201 is about 11541.7156870198. The cubic root of 133211201 is about 510.7169220126.

Adding to 133211201 its reverse (102112331), we get a palindrome (235323532).

The spelling of 133211201 in words is "one hundred thirty-three million, two hundred eleven thousand, two hundred one".