21144101341 has 32 divisors (see below), whose sum is σ = 25266700800. Its totient is φ = 17484828480.

The previous prime is 21144101317. The next prime is 21144101353. The reversal of 21144101341 is 14310144112.

It is a cyclic number.

It is not a de Polignac number, because 21144101341 - 2⁷ = 21144101213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21144101371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510295 + ... + 550171.

It is an arithmetic number, because the mean of its divisors is an integer number (789584400).

Almost surely, 2^21144101341 is an apocalyptic number.

It is an amenable number.

21144101341 is a deficient number, since it is larger than the sum of its proper divisors (4122599459).

21144101341 is a wasteful number, since it uses less digits than its factorization.

21144101341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40009.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21144101341 its reverse (14310144112), we get a palindrome (35454245453).

The spelling of 21144101341 in words is "twenty-one billion, one hundred forty-four million, one hundred one thousand, three hundred forty-one".