22121030130 has 32 divisors (see below), whose sum is σ = 53817744384. Its totient is φ = 5818133376.

The previous prime is 22121030077. The next prime is 22121030153. The reversal of 22121030130 is 3103012122.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 5048274 + ... + 5052653.

It is an arithmetic number, because the mean of its divisors is an integer number (1681804512).

Almost surely, 2^22121030130 is an apocalyptic number.

22121030130 is an abundant number, since it is smaller than the sum of its proper divisors (31696714254).

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

22121030130 is a wasteful number, since it uses less digits than its factorization.

22121030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101010.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22121030130 its reverse (3103012122), we get a palindrome (25224042252).

The spelling of 22121030130 in words is "twenty-two billion, one hundred twenty-one million, thirty thousand, one hundred thirty".