21014233041 has 4 divisors (see below), whose sum is σ = 28018977392. Its totient is φ = 14009488692.

The previous prime is 21014233033. The next prime is 21014233049. The reversal of 21014233041 is 14033241012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (21014233033) and next prime (21014233049).

It is not a de Polignac number, because 21014233041 - 2³ = 21014233033 is a prime.

It is a super-2 number, since 2×21014233041² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21014232999 and 21014233017.

It is not an unprimeable number, because it can be changed into a prime (21014233049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3502372171 + ... + 3502372176.

It is an arithmetic number, because the mean of its divisors is an integer number (7004744348).

Almost surely, 2^21014233041 is an apocalyptic number.

It is an amenable number.

21014233041 is a deficient number, since it is larger than the sum of its proper divisors (7004744351).

21014233041 is an equidigital number, since it uses as much as digits as its factorization.

21014233041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004744350.

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

Adding to 21014233041 its reverse (14033241012), we get a palindrome (35047474053).

The spelling of 21014233041 in words is "twenty-one billion, fourteen million, two hundred thirty-three thousand, forty-one".