11133142130421 has 20 divisors (see below), whose sum is σ = 16674871382400. Its totient is φ = 7402511369736.

The previous prime is 11133142130399. The next prime is 11133142130423. The reversal of 11133142130421 is 12403124133111.

11133142130421 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 314 + 21 + 304 + 21 = 666.

It is not a de Polignac number, because 11133142130421 - 2¹³ = 11133142122229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133142130423) 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 19 ways as a sum of consecutive naturals, for example, 181296741 + ... + 181358138.

It is an arithmetic number, because the mean of its divisors is an integer number (833743569120).

Almost surely, 2^{11133142130421} is an apocalyptic number.

It is an amenable number.

11133142130421 is a deficient number, since it is larger than the sum of its proper divisors (5541729251979).

11133142130421 is an equidigital number, since it uses as much as digits as its factorization.

11133142130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362655270 (or 362655261 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 11133142130421 its reverse (12403124133111), we get a palindrome (23536266263532).

The spelling of 11133142130421 in words is "eleven trillion, one hundred thirty-three billion, one hundred forty-two million, one hundred thirty thousand, four hundred twenty-one".