21140424341203 has 8 divisors (see below), whose sum is σ = 21854723758560. Its totient is φ = 20435585843520.

The previous prime is 21140424341173. The next prime is 21140424341219. The reversal of 21140424341203 is 30214342404112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21140424341203 is a prime.

It is a super-2 number, since 2×21140424341203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21140424341233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365225375 + ... + 2365234312.

It is an arithmetic number, because the mean of its divisors is an integer number (2731840469820).

Almost surely, 2^{21140424341203} is an apocalyptic number.

21140424341203 is a deficient number, since it is larger than the sum of its proper divisors (714299417357).

21140424341203 is a wasteful number, since it uses less digits than its factorization.

21140424341203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730459837.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 21140424341203 its reverse (30214342404112), we get a palindrome (51354766745315).

The spelling of 21140424341203 in words is "twenty-one trillion, one hundred forty billion, four hundred twenty-four million, three hundred forty-one thousand, two hundred three".