21122133332 has 12 divisors (see below), whose sum is σ = 38909193120. Its totient is φ = 10005221016.

The previous prime is 21122133323. The next prime is 21122133343. The reversal of 21122133332 is 23333122112.

It is a super-2 number, since 2×21122133332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21122133298 and 21122133307.

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 3 ways as a sum of consecutive naturals, for example, 138961328 + ... + 138961479.

It is an arithmetic number, because the mean of its divisors is an integer number (3242432760).

Almost surely, 2^21122133332 is an apocalyptic number.

It is an amenable number.

21122133332 is a deficient number, since it is larger than the sum of its proper divisors (17787059788).

21122133332 is a wasteful number, since it uses less digits than its factorization.

21122133332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277922830 (or 277922828 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 21122133332 its reverse (23333122112), we get a palindrome (44455255444).

The spelling of 21122133332 in words is "twenty-one billion, one hundred twenty-two million, one hundred thirty-three thousand, three hundred thirty-two".