21433352122 has 32 divisors (see below), whose sum is σ = 39932323200. Its totient is φ = 8401330368.

The previous prime is 21433352081. The next prime is 21433352147. The reversal of 21433352122 is 22125333412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520372 + ... + 560047.

It is an arithmetic number, because the mean of its divisors is an integer number (1247885100).

Almost surely, 2^21433352122 is an apocalyptic number.

21433352122 is a deficient number, since it is larger than the sum of its proper divisors (18498971078).

21433352122 is a wasteful number, since it uses less digits than its factorization.

21433352122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080550.

The product of its digits is 8640, while the sum is 28.

Adding to 21433352122 its reverse (22125333412), we get a palindrome (43558685534).

The spelling of 21433352122 in words is "twenty-one billion, four hundred thirty-three million, three hundred fifty-two thousand, one hundred twenty-two".