21222133030 has 128 divisors (see below), whose sum is σ = 46977408000. Its totient is φ = 6741066240.

The previous prime is 21222133019. The next prime is 21222133043. The reversal of 21222133030 is 3033122212.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 21222132989 and 21222133007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17969040 + ... + 17970220.

It is an arithmetic number, because the mean of its divisors is an integer number (367011000).

Almost surely, 2^21222133030 is an apocalyptic number.

21222133030 is an abundant number, since it is smaller than the sum of its proper divisors (25755274970).

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

21222133030 is a wasteful number, since it uses less digits than its factorization.

21222133030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21222133030 its reverse (3033122212), we get a palindrome (24255255242).

The spelling of 21222133030 in words is "twenty-one billion, two hundred twenty-two million, one hundred thirty-three thousand, thirty".