21141242302 has 32 divisors (see below), whose sum is σ = 32595084288. Its totient is φ = 10279315296.

The previous prime is 21141242293. The next prime is 21141242333. The reversal of 21141242302 is 20324214112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18926248 + ... + 18927364.

It is an arithmetic number, because the mean of its divisors is an integer number (1018596384).

Almost surely, 2^21141242302 is an apocalyptic number.

21141242302 is a deficient number, since it is larger than the sum of its proper divisors (11453841986).

21141242302 is a wasteful number, since it uses less digits than its factorization.

21141242302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21141242302 its reverse (20324214112), we get a palindrome (41465456414).

The spelling of 21141242302 in words is "twenty-one billion, one hundred forty-one million, two hundred forty-two thousand, three hundred two".