220002121000120 has 16 divisors (see below), whose sum is σ = 495004772250360. Its totient is φ = 88000848400032.

The previous prime is 220002121000033. The next prime is 220002121000183. The reversal of 220002121000120 is 21000121200022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220002121000120.

It is a congruent number.

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, 2750026512462 + ... + 2750026512541.

Almost surely, 2^{220002121000120} is an apocalyptic number.

220002121000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220002121000120 is an abundant number, since it is smaller than the sum of its proper divisors (275002651250240).

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

220002121000120 is a wasteful number, since it uses less digits than its factorization.

220002121000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500053025014 (or 5500053025010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220002121000120 its reverse (21000121200022), we get a palindrome (241002242200142).

The spelling of 220002121000120 in words is "two hundred twenty trillion, two billion, one hundred twenty-one million, one hundred twenty", and thus it is an aban number.