21102232313341 has 2 divisors, whose sum is σ = 21102232313342. Its totient is φ = 21102232313340.

The previous prime is 21102232313333. The next prime is 21102232313347. The reversal of 21102232313341 is 14331323220112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11690559369316 + 9411672944025 = 3419146^2 + 3067845^2 .

It is a cyclic number.

It is not a de Polignac number, because 21102232313341 - 2³ = 21102232313333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21102232313347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551116156670 + 10551116156671.

It is an arithmetic number, because the mean of its divisors is an integer number (10551116156671).

Almost surely, 2^{21102232313341} is an apocalyptic number.

It is an amenable number.

21102232313341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21102232313341 is an equidigital number, since it uses as much as digits as its factorization.

21102232313341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 21102232313341 its reverse (14331323220112), we get a palindrome (35433555533453).

The spelling of 21102232313341 in words is "twenty-one trillion, one hundred two billion, two hundred thirty-two million, three hundred thirteen thousand, three hundred forty-one".