220000021102120 has 64 divisors (see below), whose sum is σ = 566678078628480. Its totient is φ = 75300080176896.

The previous prime is 220000021102109. The next prime is 220000021102129. The reversal of 220000021102120 is 21201120000022.

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 220000021102120.

It is not an unprimeable number, because it can be changed into a prime (220000021102129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669098299 + ... + 669427018.

It is an arithmetic number, because the mean of its divisors is an integer number (8854344978570).

Almost surely, 2^{220000021102120} is an apocalyptic number.

220000021102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000021102120 is an abundant number, since it is smaller than the sum of its proper divisors (346678057526360).

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

220000021102120 is a wasteful number, since it uses less digits than its factorization.

220000021102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338525922 (or 1338525918 counting only the distinct ones).

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

Adding to 220000021102120 its reverse (21201120000022), we get a palindrome (241201141102142).

The spelling of 220000021102120 in words is "two hundred twenty trillion, twenty-one million, one hundred two thousand, one hundred twenty".