21441123014 has 4 divisors (see below), whose sum is σ = 32161684524. Its totient is φ = 10720561506.

The previous prime is 21441122957. The next prime is 21441123031. The reversal of 21441123014 is 41032114412.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21441123014² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360280752 + ... + 5360280755.

It is an arithmetic number, because the mean of its divisors is an integer number (8040421131).

Almost surely, 2^21441123014 is an apocalyptic number.

21441123014 is a deficient number, since it is larger than the sum of its proper divisors (10720561510).

21441123014 is a wasteful number, since it uses less digits than its factorization.

21441123014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720561509.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21441123014 its reverse (41032114412), we get a palindrome (62473237426).

The spelling of 21441123014 in words is "twenty-one billion, four hundred forty-one million, one hundred twenty-three thousand, fourteen".