220200121210120 has 16 divisors (see below), whose sum is σ = 495450272722860. Its totient is φ = 88080048484032.

The previous prime is 220200121210093. The next prime is 220200121210189. The reversal of 220200121210120 is 21012121002022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 181414553636484 + 38785567573636 = 13469022^2 + 6227806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220200121210094 and 220200121210103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752501515087 + ... + 2752501515166.

Almost surely, 2^{220200121210120} is an apocalyptic number.

220200121210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200121210120 is an abundant number, since it is smaller than the sum of its proper divisors (275250151512740).

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

220200121210120 is a wasteful number, since it uses less digits than its factorization.

220200121210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505003030264 (or 5505003030260 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220200121210120 its reverse (21012121002022), we get a palindrome (241212242212142).

The spelling of 220200121210120 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty".