2122212120200 has 24 divisors (see below), whose sum is σ = 4934143179930. Its totient is φ = 848884848000.

The previous prime is 2122212120113. The next prime is 2122212120233. The reversal of 2122212120200 is 20212122212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 896661274084 + 1225550846116 = 946922^2 + 1107046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5305530101 + ... + 5305530500.

Almost surely, 2^{2122212120200} is an apocalyptic number.

2122212120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122212120200 is an abundant number, since it is smaller than the sum of its proper divisors (2811931059730).

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

2122212120200 is a wasteful number, since it uses less digits than its factorization.

2122212120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611060617 (or 10611060608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122212120200 its reverse (20212122212), we get a palindrome (2142424242412).

The spelling of 2122212120200 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred".