1121222210200 has 48 divisors (see below), whose sum is σ = 2606939964360. Its totient is φ = 448471968000.

The previous prime is 1121222210191. The next prime is 1121222210209. The reversal of 1121222210200 is 20122221211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121222210191) and next prime (1121222210209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222210209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6126015 + ... + 6306385.

Almost surely, 2^{1121222210200} is an apocalyptic number.

1121222210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121222210200 is an abundant number, since it is smaller than the sum of its proper divisors (1485717754160).

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

1121222210200 is a wasteful number, since it uses less digits than its factorization.

1121222210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211468 (or 211459 counting only the distinct ones).

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

Adding to 1121222210200 its reverse (20122221211), we get a palindrome (1141344431411).

The spelling of 1121222210200 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred ten thousand, two hundred".