21213303141 has 16 divisors (see below), whose sum is σ = 30007500800. Its totient is φ = 13292376048.

The previous prime is 21213303127. The next prime is 21213303143. The reversal of 21213303141 is 14130331212.

It is not a de Polignac number, because 21213303141 - 2¹¹ = 21213301093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21213303143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457971 + ... + 1472448.

It is an arithmetic number, because the mean of its divisors is an integer number (1875468800).

Almost surely, 2^21213303141 is an apocalyptic number.

It is an amenable number.

21213303141 is a deficient number, since it is larger than the sum of its proper divisors (8794197659).

21213303141 is a wasteful number, since it uses less digits than its factorization.

21213303141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930568.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21213303141 its reverse (14130331212), we get a palindrome (35343634353).

The spelling of 21213303141 in words is "twenty-one billion, two hundred thirteen million, three hundred three thousand, one hundred forty-one".