133001101200021 has 16 divisors (see below), whose sum is σ = 177516337729536. Its totient is φ = 88576639126976.

The previous prime is 133001101200013. The next prime is 133001101200041. The reversal of 133001101200021 is 120002101100331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133001101200021 - 2³ = 133001101200013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001101200041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83982316 + ... + 85551338.

It is an arithmetic number, because the mean of its divisors is an integer number (11094771108096).

Almost surely, 2^{133001101200021} is an apocalyptic number.

It is an amenable number.

133001101200021 is a deficient number, since it is larger than the sum of its proper divisors (44515236529515).

133001101200021 is a wasteful number, since it uses less digits than its factorization.

133001101200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597932.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 133001101200021 its reverse (120002101100331), we get a palindrome (253003202300352).

The spelling of 133001101200021 in words is "one hundred thirty-three trillion, one billion, one hundred one million, two hundred thousand, twenty-one".