21342103041 has 16 divisors (see below), whose sum is σ = 32523346944. Its totient is φ = 12194719824.

The previous prime is 21342103021. The next prime is 21342103061. The reversal of 21342103041 is 14030124312.

It is an interprime number because it is at equal distance from previous prime (21342103021) and next prime (21342103061).

It is not a de Polignac number, because 21342103041 - 2⁵ = 21342103009 is a prime.

It is a super-2 number, since 2×21342103041² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 21342102999 and 21342103017.

It is not an unprimeable number, because it can be changed into a prime (21342103021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599836 + ... + 634418.

It is an arithmetic number, because the mean of its divisors is an integer number (2032709184).

Almost surely, 2^21342103041 is an apocalyptic number.

21342103041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21342103041 is a deficient number, since it is larger than the sum of its proper divisors (11181243903).

21342103041 is a wasteful number, since it uses less digits than its factorization.

21342103041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63980.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21342103041 its reverse (14030124312), we get a palindrome (35372227353).

The spelling of 21342103041 in words is "twenty-one billion, three hundred forty-two million, one hundred three thousand, forty-one".