21101010341 has 2 divisors, whose sum is σ = 21101010342. Its totient is φ = 21101010340.

The previous prime is 21101010251. The next prime is 21101010361. The reversal of 21101010341 is 14301010112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19176433441 + 1924576900 = 138479^2 + 43870^2 .

It is a cyclic number.

It is not a de Polignac number, because 21101010341 - 2³⁴ = 3921141157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21101010361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550505170 + 10550505171.

It is an arithmetic number, because the mean of its divisors is an integer number (10550505171).

Almost surely, 2^21101010341 is an apocalyptic number.

It is an amenable number.

21101010341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21101010341 is an equidigital number, since it uses as much as digits as its factorization.

21101010341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21101010341 its reverse (14301010112), we get a palindrome (35402020453).

The spelling of 21101010341 in words is "twenty-one billion, one hundred one million, ten thousand, three hundred forty-one".