133100020221331 has 4 divisors (see below), whose sum is σ = 133104040552872. Its totient is φ = 133095999889792.

The previous prime is 133100020221323. The next prime is 133100020221353. The reversal of 133100020221331 is 133122020001331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133100020221331 - 2³ = 133100020221323 is a prime.

It is a super-2 number, since 2×133100020221331² (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 (133100020221131) 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, 2010116110 + ... + 2010182323.

It is an arithmetic number, because the mean of its divisors is an integer number (33276010138218).

Almost surely, 2^{133100020221331} is an apocalyptic number.

133100020221331 is a deficient number, since it is larger than the sum of its proper divisors (4020331541).

133100020221331 is an equidigital number, since it uses as much as digits as its factorization.

133100020221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020331540.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133100020221331 its reverse (133122020001331), we get a palindrome (266222040222662).

The spelling of 133100020221331 in words is "one hundred thirty-three trillion, one hundred billion, twenty million, two hundred twenty-one thousand, three hundred thirty-one".