2120110200220 has 96 divisors (see below), whose sum is σ = 4866711736320. Its totient is φ = 772837355520.

The previous prime is 2120110200217. The next prime is 2120110200253. The reversal of 2120110200220 is 220020110212.

It is a happy number.

It is a super-2 number, since 2×2120110200220² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120110200220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1428412 + ... + 2506108.

It is an arithmetic number, because the mean of its divisors is an integer number (50694913920).

Almost surely, 2^{2120110200220} is an apocalyptic number.

2120110200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120110200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433355868160).

2120110200220 is an abundant number, since it is smaller than the sum of its proper divisors (2746601536100).

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

2120110200220 is a wasteful number, since it uses less digits than its factorization.

2120110200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077923 (or 1077921 counting only the distinct ones).

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

Adding to 2120110200220 its reverse (220020110212), we get a palindrome (2340130310432).

The spelling of 2120110200220 in words is "two trillion, one hundred twenty billion, one hundred ten million, two hundred thousand, two hundred twenty".