2132113421 has 2 divisors, whose sum is σ = 2132113422. Its totient is φ = 2132113420.

The previous prime is 2132113397. The next prime is 2132113439. The reversal of 2132113421 is 1243112312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1068636100 + 1063477321 = 32690^2 + 32611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132113421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132113393 and 2132113402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132113441) 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, 1066056710 + 1066056711.

It is an arithmetic number, because the mean of its divisors is an integer number (1066056711).

Almost surely, 2^2132113421 is an apocalyptic number.

It is an amenable number.

2132113421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132113421 is an equidigital number, since it uses as much as digits as its factorization.

2132113421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 2132113421 is about 46174.8137083410. The cubic root of 2132113421 is about 1287.0737551026.

Adding to 2132113421 its reverse (1243112312), we get a palindrome (3375225733).

The spelling of 2132113421 in words is "two billion, one hundred thirty-two million, one hundred thirteen thousand, four hundred twenty-one".