11331220252133 has 2 divisors, whose sum is σ = 11331220252134. Its totient is φ = 11331220252132.

The previous prime is 11331220252123. The next prime is 11331220252189. The reversal of 11331220252133 is 33125202213311.

11331220252133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8869782455524 + 2461437796609 = 2978218^2 + 1568897^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331220252133 - 2¹⁴ = 11331220235749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11331220252096 and 11331220252105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331220252123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665610126066 + 5665610126067.

It is an arithmetic number, because the mean of its divisors is an integer number (5665610126067).

Almost surely, 2^{11331220252133} is an apocalyptic number.

It is an amenable number.

11331220252133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331220252133 is an equidigital number, since it uses as much as digits as its factorization.

11331220252133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 11331220252133 its reverse (33125202213311), we get a palindrome (44456422465444).

The spelling of 11331220252133 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty million, two hundred fifty-two thousand, one hundred thirty-three".