222121030130 has 16 divisors (see below), whose sum is σ = 399833081280. Its totient is φ = 88845028272.

The previous prime is 222121030081. The next prime is 222121030169. The reversal of 222121030130 is 31030121222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222121030099 and 222121030108.

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, 138140 + ... + 680679.

It is an arithmetic number, because the mean of its divisors is an integer number (24989567580).

Almost surely, 2^222121030130 is an apocalyptic number.

222121030130 is a deficient number, since it is larger than the sum of its proper divisors (177712051150).

222121030130 is a wasteful number, since it uses less digits than its factorization.

222121030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845953.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 222121030130 its reverse (31030121222), we get a palindrome (253151151352).

The spelling of 222121030130 in words is "two hundred twenty-two billion, one hundred twenty-one million, thirty thousand, one hundred thirty".