133010231010221 has 4 divisors (see below), whose sum is σ = 133806699459552. Its totient is φ = 132213762560892.

The previous prime is 133010231010187. The next prime is 133010231010233. The reversal of 133010231010221 is 122010132010331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133010231010221 - 2⁶ = 133010231010157 is a prime.

It is a super-2 number, since 2×133010231010221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133010231010193 and 133010231010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133010231010421) 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, 398234224415 + ... + 398234224748.

It is an arithmetic number, because the mean of its divisors is an integer number (33451674864888).

Almost surely, 2^{133010231010221} is an apocalyptic number.

It is an amenable number.

133010231010221 is a deficient number, since it is larger than the sum of its proper divisors (796468449331).

133010231010221 is an equidigital number, since it uses as much as digits as its factorization.

133010231010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796468449330.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 133010231010221 its reverse (122010132010331), we get a palindrome (255020363020552).

The spelling of 133010231010221 in words is "one hundred thirty-three trillion, ten billion, two hundred thirty-one million, ten thousand, two hundred twenty-one".