22131130130 has 16 divisors (see below), whose sum is σ = 39892233240. Its totient is φ = 8839963392.

The previous prime is 22131130039. The next prime is 22131130141. The reversal of 22131130130 is 3103113122.

It can be written as a sum of positive squares in 4 ways, for example, as 15104164201 + 7026965929 = 122899^2 + 83827^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22131130099 and 22131130108.

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, 1553639 + ... + 1567818.

Almost surely, 2^22131130130 is an apocalyptic number.

22131130130 is a deficient number, since it is larger than the sum of its proper divisors (17761103110).

22131130130 is a wasteful number, since it uses less digits than its factorization.

22131130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122173.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 22131130130 its reverse (3103113122), we get a palindrome (25234243252).

The spelling of 22131130130 in words is "twenty-two billion, one hundred thirty-one million, one hundred thirty thousand, one hundred thirty".