100002200211220 has 12 divisors (see below), whose sum is σ = 210004620443604. Its totient is φ = 40000880084480.

The previous prime is 100002200211187. The next prime is 100002200211281. The reversal of 100002200211220 is 22112002200001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42741076727556 + 57261123483664 = 6537666^2 + 7567108^2 .

It is a super-2 number, since 2×100002200211220² (a number of 29 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 100002200211220.

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, 2500055005261 + ... + 2500055005300.

It is an arithmetic number, because the mean of its divisors is an integer number (17500385036967).

Almost surely, 2^{100002200211220} is an apocalyptic number.

100002200211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002200211220 is an abundant number, since it is smaller than the sum of its proper divisors (110002420232384).

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

100002200211220 is a wasteful number, since it uses less digits than its factorization.

100002200211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000110010570 (or 5000110010568 counting only the distinct ones).

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

Adding to 100002200211220 its reverse (22112002200001), we get a palindrome (122114202411221).

The spelling of 100002200211220 in words is "one hundred trillion, two billion, two hundred million, two hundred eleven thousand, two hundred twenty".