21410022131 has 4 divisors (see below), whose sum is σ = 21501910872. Its totient is φ = 21318133392.

The previous prime is 21410022119. The next prime is 21410022133. The reversal of 21410022131 is 13122001412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21410022131 is a prime.

It is a super-2 number, since 2×21410022131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410022133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45944021 + ... + 45944486.

It is an arithmetic number, because the mean of its divisors is an integer number (5375477718).

Almost surely, 2^21410022131 is an apocalyptic number.

21410022131 is a deficient number, since it is larger than the sum of its proper divisors (91888741).

21410022131 is an equidigital number, since it uses as much as digits as its factorization.

21410022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91888740.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21410022131 its reverse (13122001412), we get a palindrome (34532023543).

The spelling of 21410022131 in words is "twenty-one billion, four hundred ten million, twenty-two thousand, one hundred thirty-one".