133021102020113 has 4 divisors (see below), whose sum is σ = 133077063781860. Its totient is φ = 132965140258368.

The previous prime is 133021102020109. The next prime is 133021102020119. The reversal of 133021102020113 is 311020201120331.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65140508315089 + 67880593705024 = 8070967^2 + 8238968^2 .

It is a cyclic number.

It is not a de Polignac number, because 133021102020113 - 2² = 133021102020109 is a prime.

It is a super-2 number, since 2×133021102020113² (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 (133021102020119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27980877308 + ... + 27980882061.

It is an arithmetic number, because the mean of its divisors is an integer number (33269265945465).

Almost surely, 2^{133021102020113} is an apocalyptic number.

It is an amenable number.

133021102020113 is a deficient number, since it is larger than the sum of its proper divisors (55961761747).

133021102020113 is an equidigital number, since it uses as much as digits as its factorization.

133021102020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55961761746.

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

Adding to 133021102020113 its reverse (311020201120331), we get a palindrome (444041303140444).

The spelling of 133021102020113 in words is "one hundred thirty-three trillion, twenty-one billion, one hundred two million, twenty thousand, one hundred thirteen".