220122121130 has 32 divisors (see below), whose sum is σ = 411672574800. Its totient is φ = 84641421312.

The previous prime is 220122121123. The next prime is 220122121147. The reversal of 220122121130 is 31121221022.

It can be written as a sum of positive squares in 8 ways, for example, as 189709900249 + 30412220881 = 435557^2 + 174391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220122121099 and 220122121108.

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, 1590887 + ... + 1723706.

Almost surely, 2^220122121130 is an apocalyptic number.

220122121130 is a deficient number, since it is larger than the sum of its proper divisors (191550453670).

220122121130 is a wasteful number, since it uses less digits than its factorization.

220122121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314858.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220122121130 its reverse (31121221022), we get a palindrome (251243342152).

The spelling of 220122121130 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred thirty".