133021201001 has 8 divisors (see below), whose sum is σ = 143295184200. Its totient is φ = 122753158272.

The previous prime is 133021200997. The next prime is 133021201021. The reversal of 133021201001 is 100102120331.

It can be written as a sum of positive squares in 4 ways, for example, as 918029401 + 132103171600 = 30299^2 + 363460^2 .

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 133021201001 - 2² = 133021200997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133021201021) 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, 1438550 + ... + 1528223.

It is an arithmetic number, because the mean of its divisors is an integer number (17911898025).

Almost surely, 2^133021201001 is an apocalyptic number.

It is an amenable number.

133021201001 is a deficient number, since it is larger than the sum of its proper divisors (10273983199).

133021201001 is a wasteful number, since it uses less digits than its factorization.

133021201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970235.

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

Adding to 133021201001 its reverse (100102120331), we get a palindrome (233123321332).

The spelling of 133021201001 in words is "one hundred thirty-three billion, twenty-one million, two hundred one thousand, one".