21341252022 has 32 divisors (see below), whose sum is σ = 46295522784. Its totient is φ = 6531993600.

The previous prime is 21341252017. The next prime is 21341252059. The reversal of 21341252022 is 22025214312.

It is a junction number, because it is equal to n+sod(n) for n = 21341251983 and 21341252001.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2547379 + ... + 2555742.

It is an arithmetic number, because the mean of its divisors is an integer number (1446735087).

Almost surely, 2^21341252022 is an apocalyptic number.

21341252022 is an abundant number, since it is smaller than the sum of its proper divisors (24954270762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21341252022 is a wasteful number, since it uses less digits than its factorization.

21341252022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103184.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 21341252022 its reverse (22025214312), we get a palindrome (43366466334).

The spelling of 21341252022 in words is "twenty-one billion, three hundred forty-one million, two hundred fifty-two thousand, twenty-two".