1122202221100 has 18 divisors (see below), whose sum is σ = 2435178820004. Its totient is φ = 448880888400.

The previous prime is 1122202221079. The next prime is 1122202221113. The reversal of 1122202221100 is 11222022211.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5611011006 + ... + 5611011205.

Almost surely, 2^{1122202221100} is an apocalyptic number.

1122202221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122202221100 is an abundant number, since it is smaller than the sum of its proper divisors (1312976598904).

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

1122202221100 is a wasteful number, since it uses less digits than its factorization.

1122202221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222022225 (or 11222022218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1122202221100 its reverse (11222022211), we get a palindrome (1133424243311).

1122202221100 divided by its reverse (11222022211) gives a square (100 = 10²).

The spelling of 1122202221100 in words is "one trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, one hundred".