1100022221200 has 60 divisors (see below), whose sum is σ = 3020346735040. Its totient is φ = 377150474880.

The previous prime is 1100022221189. The next prime is 1100022221213. The reversal of 1100022221200 is 21222200011.

It is a happy number.

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, 196429740 + ... + 196435339.

Almost surely, 2^{1100022221200} is an apocalyptic number.

1100022221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100022221200 is an abundant number, since it is smaller than the sum of its proper divisors (1920324513840).

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

1100022221200 is a wasteful number, since it uses less digits than its factorization.

1100022221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392865104 (or 392865093 counting only the distinct ones).

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

Adding to 1100022221200 its reverse (21222200011), we get a palindrome (1121244421211).

The spelling of 1100022221200 in words is "one trillion, one hundred billion, twenty-two million, two hundred twenty-one thousand, two hundred".