1022221011200 has 54 divisors (see below), whose sum is σ = 2530156740594. Its totient is φ = 408888401920.

The previous prime is 1022221011191. The next prime is 1022221011347. The reversal of 1022221011200 is 21101222201.

It can be written as a sum of positive squares in 3 ways, for example, as 87549708544 + 934671302656 = 295888^2 + 966784^2 .

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, 79854617 + ... + 79867416.

Almost surely, 2^{1022221011200} is an apocalyptic number.

1022221011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022221011200 is an abundant number, since it is smaller than the sum of its proper divisors (1507935729394).

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

1022221011200 is an equidigital number, since it uses as much as digits as its factorization.

1022221011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159722059 (or 159722040 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022221011200 its reverse (21101222201), we get a palindrome (1043322233401).

The spelling of 1022221011200 in words is "one trillion, twenty-two billion, two hundred twenty-one million, eleven thousand, two hundred".