222211121012200 has 48 divisors (see below), whose sum is σ = 516763024519500. Its totient is φ = 88863430225920.

The previous prime is 222211121012147. The next prime is 222211121012219. The reversal of 222211121012200 is 2210121112222.

It can be written as a sum of positive squares in 6 ways, for example, as 120132954828324 + 102078166183876 = 10960518^2 + 10103374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130515705 + ... + 132207304.

Almost surely, 2^{222211121012200} is an apocalyptic number.

222211121012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211121012200 is an abundant number, since it is smaller than the sum of its proper divisors (294551903507300).

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

222211121012200 is a wasteful number, since it uses less digits than its factorization.

222211121012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262727254 (or 262727245 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222211121012200 its reverse (2210121112222), we get a palindrome (224421242124422).

The spelling of 222211121012200 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred twenty-one million, twelve thousand, two hundred".