22121230330 has 16 divisors (see below), whose sum is σ = 40894383240. Its totient is φ = 8609343552.

The previous prime is 22121230289. The next prime is 22121230349. The reversal of 22121230330 is 3303212122.

It can be written as a sum of positive squares in 4 ways, for example, as 17689266001 + 4431964329 = 133001^2 + 66573^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22121230298 and 22121230307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29893185 + ... + 29893924.

Almost surely, 2^22121230330 is an apocalyptic number.

22121230330 is a deficient number, since it is larger than the sum of its proper divisors (18773152910).

22121230330 is a wasteful number, since it uses less digits than its factorization.

22121230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59787153.

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

Adding to 22121230330 its reverse (3303212122), we get a palindrome (25424442452).

The spelling of 22121230330 in words is "twenty-two billion, one hundred twenty-one million, two hundred thirty thousand, three hundred thirty".