21035224514 has 16 divisors (see below), whose sum is σ = 31616352000. Its totient is φ = 10496463264.

The previous prime is 21035224513. The next prime is 21035224607. The reversal of 21035224514 is 41542253012.

It is not an unprimeable number, because it can be changed into a prime (21035224513) 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, 2282087 + ... + 2291285.

It is an arithmetic number, because the mean of its divisors is an integer number (1976022000).

Almost surely, 2^21035224514 is an apocalyptic number.

21035224514 is a deficient number, since it is larger than the sum of its proper divisors (10581127486).

21035224514 is a wasteful number, since it uses less digits than its factorization.

21035224514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11377.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 21035224514 its reverse (41542253012), we get a palindrome (62577477526).

The spelling of 21035224514 in words is "twenty-one billion, thirty-five million, two hundred twenty-four thousand, five hundred fourteen".