13213120101133 has 4 divisors (see below), whose sum is σ = 13394121746428. Its totient is φ = 13032118455840.

The previous prime is 13213120101127. The next prime is 13213120101149. The reversal of 13213120101133 is 33110102131231.

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 9282246835684 + 3930873265449 = 3046678^2 + 1982643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13213120101133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213120101163) 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, 90500822538 + ... + 90500822683.

It is an arithmetic number, because the mean of its divisors is an integer number (3348530436607).

Almost surely, 2^{13213120101133} is an apocalyptic number.

It is an amenable number.

13213120101133 is a deficient number, since it is larger than the sum of its proper divisors (181001645295).

13213120101133 is an equidigital number, since it uses as much as digits as its factorization.

13213120101133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181001645294.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13213120101133 its reverse (33110102131231), we get a palindrome (46323222232364).

The spelling of 13213120101133 in words is "thirteen trillion, two hundred thirteen billion, one hundred twenty million, one hundred one thousand, one hundred thirty-three".