2222122120200 has 288 divisors, whose sum is σ = 8067709228800. Its totient is φ = 546205524480.

The previous prime is 2222122120159. The next prime is 2222122120247. The reversal of 2222122120200 is 20212212222.

2222122120200 is a `hidden beast` number, since 2 + 2 + 221 + 221 + 20 + 200 = 666.

It is a super-3 number, since 3×2222122120200³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 387369 + ... + 2143431.

Almost surely, 2^{2222122120200} is an apocalyptic number.

2222122120200 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 2222122120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4033854614400).

2222122120200 is an abundant number, since it is smaller than the sum of its proper divisors (5845587108600).

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

2222122120200 is a wasteful number, since it uses less digits than its factorization.

2222122120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756141 (or 1756129 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222122120200 its reverse (20212212222), we get a palindrome (2242334332422).

The spelling of 2222122120200 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred".