11202101131381 has 2 divisors, whose sum is σ = 11202101131382. Its totient is φ = 11202101131380.

The previous prime is 11202101131367. The next prime is 11202101131423. The reversal of 11202101131381 is 18313110120211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7389649628881 + 3812451502500 = 2718391^2 + 1952550^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202101131381 - 2¹⁵ = 11202101098613 is a prime.

It is a super-2 number, since 2×11202101131381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202101131301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601050565690 + 5601050565691.

It is an arithmetic number, because the mean of its divisors is an integer number (5601050565691).

Almost surely, 2^{11202101131381} is an apocalyptic number.

It is an amenable number.

11202101131381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202101131381 is an equidigital number, since it uses as much as digits as its factorization.

11202101131381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

Adding to 11202101131381 its reverse (18313110120211), we get a palindrome (29515211251592).

The spelling of 11202101131381 in words is "eleven trillion, two hundred two billion, one hundred one million, one hundred thirty-one thousand, three hundred eighty-one".